libunwind: Use conventional DWARF capitalization in comments and errors

llvm-svn: 275996
Cr-Mirrored-From: sso://chromium.googlesource.com/_direct/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: c073b1bac913b2555c95d843688e688faaf3c4d3
diff --git a/src/AddressSpace.hpp b/src/AddressSpace.hpp
index da1b6a4..680c24a 100644
--- a/src/AddressSpace.hpp
+++ b/src/AddressSpace.hpp
@@ -330,7 +330,7 @@
         return false;
       const mach_header *mh = (const mach_header *)dlinfo.dli_saddr;
       
-      // Find dwarf unwind section in that image.
+      // Find DWARF unwind section in that image.
       unsigned long size;
       const uint8_t *p = getsectiondata(mh, "__TEXT", "__eh_frame", &size);
       if (!p)