[hipcc] Switch from mktemp to mkstemp

Fixes warning: the use of `mktemp' is dangerous, better use `mkstemp' or `mkdtemp'

Author: lamb-j

amd/hipcc/src/hipBin_util.h

@@ -122,7 +122,7 @@ string HipBinUtil::mktempFile(string name) {
 #if defined(_WIN32) || defined(_WIN64)
   fileName = _mktemp(&name[0]);
 #else
-  fileName = mktemp(&name[0]);
+  fileName = mkstemp(&name[0]);
 #endif
   tmpFiles_.push_back(fileName);
   return fileName;