Use empty parens for empty function parameter list instead of '(void)'.

llvm-svn: 168049

llvm/lib/Transforms/Utils/MetaRenamer.cpp

@@ -37,7 +37,7 @@ namespace {
       next = seed;
     }
 
-    int rand(void) {
+    int rand() {
       next = next * 1103515245 + 12345;
       return (unsigned int)(next / 65536) % 32768;
     }