libunwind: correct 'libuwind' typo

There were several instances of libuwind (missing an "n"), dating to
the initial import of libunwind.

llvm-svn: 280086
Cr-Mirrored-From: sso://chromium.googlesource.com/_direct/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: e8a15cef9ddcca4412a814a1c6d3a81656714650
diff --git a/src/Unwind-EHABI.cpp b/src/Unwind-EHABI.cpp
index c6a66a3..0c7d5f6 100644
--- a/src/Unwind-EHABI.cpp
+++ b/src/Unwind-EHABI.cpp
@@ -549,7 +549,7 @@
 
   // Walk each frame until we reach where search phase said to stop.
   while (true) {
-    // Ask libuwind to get next frame (skip over first which is
+    // Ask libunwind to get next frame (skip over first which is
     // _Unwind_RaiseException or _Unwind_Resume).
     //
     // Resume only ever makes sense for 1 frame.
diff --git a/src/UnwindCursor.hpp b/src/UnwindCursor.hpp
index 18a7809..806df31 100644
--- a/src/UnwindCursor.hpp
+++ b/src/UnwindCursor.hpp
@@ -6,7 +6,7 @@
 // Source Licenses. See LICENSE.TXT for details.
 //
 //
-// C++ interface to lower levels of libuwind
+// C++ interface to lower levels of libunwind
 //===----------------------------------------------------------------------===//
 
 #ifndef __UNWINDCURSOR_HPP__
diff --git a/src/UnwindLevel1-gcc-ext.c b/src/UnwindLevel1-gcc-ext.c
index edfac30..253e717 100644
--- a/src/UnwindLevel1-gcc-ext.c
+++ b/src/UnwindLevel1-gcc-ext.c
@@ -123,7 +123,7 @@
     _Unwind_Reason_Code result;
 
 #if !_LIBUNWIND_ARM_EHABI
-    // ask libuwind to get next frame (skip over first frame which is
+    // ask libunwind to get next frame (skip over first frame which is
     // _Unwind_Backtrace())
     if (unw_step(&cursor) <= 0) {
       _LIBUNWIND_TRACE_UNWINDING(" _backtrace: ended because cursor reached "
diff --git a/src/UnwindLevel1.c b/src/UnwindLevel1.c
index 7294f25..3b78dfd 100644
--- a/src/UnwindLevel1.c
+++ b/src/UnwindLevel1.c
@@ -39,7 +39,7 @@
   // Walk each frame looking for a place to stop.
   bool handlerNotFound = true;
   while (handlerNotFound) {
-    // Ask libuwind to get next frame (skip over first which is
+    // Ask libunwind to get next frame (skip over first which is
     // _Unwind_RaiseException).
     int stepResult = unw_step(cursor);
     if (stepResult == 0) {
@@ -135,7 +135,7 @@
   // Walk each frame until we reach where search phase said to stop.
   while (true) {
 
-    // Ask libuwind to get next frame (skip over first which is
+    // Ask libunwind to get next frame (skip over first which is
     // _Unwind_RaiseException).
     int stepResult = unw_step(cursor);
     if (stepResult == 0) {
diff --git a/src/config.h b/src/config.h
index a50222f..2b28082 100644
--- a/src/config.h
+++ b/src/config.h
@@ -6,7 +6,7 @@
 // Source Licenses. See LICENSE.TXT for details.
 //
 //
-//  Defines macros used within libuwind project.
+//  Defines macros used within libunwind project.
 //
 //===----------------------------------------------------------------------===//
 
@@ -83,7 +83,7 @@
     fflush(stderr);                                                            \
     abort();                                                                   \
   } while (0)
-#define _LIBUNWIND_LOG(msg, ...) fprintf(stderr, "libuwind: " msg, __VA_ARGS__)
+#define _LIBUNWIND_LOG(msg, ...) fprintf(stderr, "libunwind: " msg, __VA_ARGS__)
 
 // Macros that define away in non-Debug builds
 #ifdef NDEBUG
diff --git a/src/libunwind.cpp b/src/libunwind.cpp
index b42d8b7..350a201 100644
--- a/src/libunwind.cpp
+++ b/src/libunwind.cpp
@@ -1,4 +1,4 @@
-//===--------------------------- libuwind.cpp -----------------------------===//
+//===--------------------------- libunwind.cpp ----------------------------===//
 //
 //                     The LLVM Compiler Infrastructure
 //