SWDEV-306939 - Fix vdi errors/warnings by CppCheck

Change-Id: I56d910f8363787f1050d5d7e8064ed553c5827fd

rocclr/device/devhcprintf.cpp

@@ -32,6 +32,7 @@ static void checkPrintf(FILE* stream, int* outCount, const char* fmt, ...) {
   va_start(args, fmt);
   int retval = vfprintf(stream, fmt, args);
   *outCount = retval < 0 ? retval : *outCount + retval;
+  va_end(args);
 }
 
 static int countStars(const std::string& spec) {