Put all LLVM code into the llvm namespace, as per bug 109.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9903 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/SystemUtils.cpp b/lib/Support/SystemUtils.cpp
index 8c009ff..ec535ad 100644
--- a/lib/Support/SystemUtils.cpp
+++ b/lib/Support/SystemUtils.cpp
@@ -24,6 +24,8 @@
 #include "Config/unistd.h"
 #include "Config/errno.h"
 
+namespace llvm {
+
 /// isExecutableFile - This function returns true if the filename specified
 /// exists and is executable.
 ///
@@ -272,3 +274,4 @@
   return 1;
 }
 
+} // End llvm namespace