Add path separator support, patch by Sam Bishop. 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47662 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/System/Unix/Path.inc b/lib/System/Unix/Path.inc
index 2dde37c..c8bdd08 100644
--- a/lib/System/Unix/Path.inc
+++ b/lib/System/Unix/Path.inc
@@ -63,6 +63,8 @@
 namespace llvm {
 using namespace sys;
 
+extern const char sys::PathSeparator = ':';
+
 bool 
 Path::isValid() const {
   // Check some obvious things
@@ -183,25 +185,6 @@
 #endif
 }
 
-static void getPathList(const char*path, std::vector<sys::Path>& Paths) {
-  const char* at = path;
-  const char* delim = strchr(at, ':');
-  Path tmpPath;
-  while( delim != 0 ) {
-    std::string tmp(at, size_t(delim-at));
-    if (tmpPath.set(tmp))
-      if (tmpPath.canRead())
-        Paths.push_back(tmpPath);
-    at = delim + 1;
-    delim = strchr(at, ':');
-  }
-  if (*at != 0)
-    if (tmpPath.set(std::string(at)))
-      if (tmpPath.canRead())
-        Paths.push_back(tmpPath);
-
-}
-
 void 
 Path::GetSystemLibraryPaths(std::vector<sys::Path>& Paths) {
 #ifdef LTDL_SHLIBPATH_VAR