8243059: Build fails when --with-vendor-name contains a comma

Summary: Use $$(VERSION_CFLAGS) so as to avoid the variable getting evaluated early
Reviewed-by: ihse, erikj

make/launcher/LauncherCommon.gmk

@@ -159,9 +159,9 @@ define SetupBuildLauncherBody
       EXTRA_FILES := $(LAUNCHER_SRC)/main.c, \
       OPTIMIZATION := $$($1_OPTIMIZATION), \
       CFLAGS := $$(CFLAGS_JDKEXE) $$($1_CFLAGS) \
-          $(LAUNCHER_CFLAGS) \
-          $(VERSION_CFLAGS) \
-          -DLAUNCHER_NAME='"$(LAUNCHER_NAME)"' \
+          $$(LAUNCHER_CFLAGS) \
+          $$(VERSION_CFLAGS) \
+          -DLAUNCHER_NAME='"$$(LAUNCHER_NAME)"' \
           -DPROGNAME='"$1"' \
           $$($1_CFLAGS), \
       CFLAGS_solaris := -KPIC -DHAVE_GETHRTIME, \