[runtimes] Don't depend on libpthread on Android

r362048 added support for ELF dependent libraries, but broke Android
build since Android does not have libpthread. Remove the dependency on
the Android build.

Differential Revision: https://reviews.llvm.org/D65098

llvm-svn: 366734
Cr-Mirrored-From: sso://chromium.googlesource.com/_direct/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: d8bdb9225ce3896797892293053efac8ad8d52fb
diff --git a/src/chrono.cpp b/src/chrono.cpp
index 8f533f1..c461d19 100644
--- a/src/chrono.cpp
+++ b/src/chrono.cpp
@@ -37,7 +37,7 @@
 #endif
 #endif
 
-#if defined(__unix__) &&  defined(__ELF__) && defined(_LIBCPP_HAS_COMMENT_LIB_PRAGMA)
+#if defined(__unix__) && defined(__ELF__) && defined(_LIBCPP_HAS_COMMENT_LIB_PRAGMA)
 #pragma comment(lib, "rt")
 #endif