REGRESSION(r294504) [WPE] Fix build after PDF.js changes

https://bugs.webkit.org/show_bug.cgi?id=240711

Patch by Olivier Blin <olivier.blin@softathome.com> on 2022-05-20
Reviewed by Adrian Perez de Castro.

* Source/WebKit/PlatformWPE.cmake: do not use GTK-specific variables.

Canonical link: https://commits.webkit.org/250796@main
git-svn-id: https://svn.webkit.org/repository/webkit/trunk@294541 268f45cc-cd09-0410-ab3c-d52691b4dbfc

Source/WebKit/PlatformWPE.cmake

@@ -280,10 +280,10 @@ file(WRITE ${WebKit_DERIVED_SOURCES_DIR}/WebKitResourcesGResourceBundle.xml
 )
 
 add_custom_command(
-    OUTPUT ${WebKit_DERIVED_SOURCES_DIR}/WebKitResourcesGResourceBundle.c ${WebKit2Gtk_DERIVED_SOURCES_DIR}/WebKitResourcesGResourceBundle.deps
+    OUTPUT ${WebKit_DERIVED_SOURCES_DIR}/WebKitResourcesGResourceBundle.c ${WebKit_DERIVED_SOURCES_DIR}/WebKitResourcesGResourceBundle.deps
     DEPENDS ${WebKit_DERIVED_SOURCES_DIR}/WebKitResourcesGResourceBundle.xml
-    DEPFILE ${WebKit2Gtk_DERIVED_SOURCES_DIR}/WebKitResourcesGResourceBundle.deps
-    COMMAND glib-compile-resources --generate --sourcedir=${CMAKE_SOURCE_DIR}/Source/WebCore/Resources --sourcedir=${CMAKE_SOURCE_DIR}/Source/WebCore/platform/audio/resources --target=${WebKit_DERIVED_SOURCES_DIR}/WebKitResourcesGResourceBundle.c --dependency-file=${WebKit2Gtk_DERIVED_SOURCES_DIR}/WebKitResourcesGResourceBundle.deps ${WebKit_DERIVED_SOURCES_DIR}/WebKitResourcesGResourceBundle.xml
+    DEPFILE ${WebKit_DERIVED_SOURCES_DIR}/WebKitResourcesGResourceBundle.deps
+    COMMAND glib-compile-resources --generate --sourcedir=${CMAKE_SOURCE_DIR}/Source/WebCore/Resources --sourcedir=${CMAKE_SOURCE_DIR}/Source/WebCore/platform/audio/resources --target=${WebKit_DERIVED_SOURCES_DIR}/WebKitResourcesGResourceBundle.c --dependency-file=${WebKit_DERIVED_SOURCES_DIR}/WebKitResourcesGResourceBundle.deps ${WebKit_DERIVED_SOURCES_DIR}/WebKitResourcesGResourceBundle.xml
     VERBATIM
 )