8237944: webview native cl "-m32" unknown option for windows 32-bit build

Reviewed-by: kcr

Author: Guru Hb

modules/javafx.web/src/main/native/Tools/Scripts/webkitdirs.pm

@@ -2297,7 +2297,7 @@ sub generateBuildSystemFromCMakeProject
     # Some ports have production mode, but build-webkit should always use developer mode.
     push @args, "-DDEVELOPER_MODE=ON" if isGtk() || isJSCOnly() || isWPE() || isWinCairo();
 
-    if (architecture() eq "x86_64" && shouldBuild32Bit()) {
+    if (architecture() eq "x86_64" && shouldBuild32Bit() && !(isJava() && isCygwin())) {
         # CMAKE_LIBRARY_ARCHITECTURE is needed to get the right .pc
         # files in Debian-based systems, for the others
         # CMAKE_PREFIX_PATH will get us /usr/lib, which should be the