Windows: 'trexecmd -o env' sort of works, but waits for timeout at end of input

--HG--
branch : WINDOWSPORT

src/utils/pathut.cpp

@@ -116,7 +116,7 @@ string path_tchartoutf8(TCHAR *text)
     }
     return string(&buffer[0]);
 #else
-    path = text;
+    return text;
 #endif
 }