contribs: revert Gecko update. Fixes plugin executing within Safari on OS X

extras/contrib/src/Makefile

@@ -1984,11 +1984,11 @@ DISTCLEAN_PKG += libIDL-$(LIBIDL_VERSION).tar.gz
 # Gecko SDK
 # ***************************************************************************
 
-gecko-sdk-i386-10.4u-1.9.0.11.tar.bz2:
+gecko-sdk-ppc-macosx10.2-1.7.5.tar.gz:
 	$(WGET) $(GECKO_SDK_MAC_URL)
 
-gecko-sdk: gecko-sdk-i386-10.4u-1.9.0.11.tar.bz2
-	$(EXTRACT_BZ2)
+gecko-sdk: gecko-sdk-ppc-macosx10.2-1.7.5.tar.gz
+	$(EXTRACT_GZ)
 
 .gecko: gecko-sdk
 	rm -rf ../gecko-sdk
@@ -1999,7 +1999,7 @@ gecko-sdk: gecko-sdk-i386-10.4u-1.9.0.11.tar.bz2
 
 CLEAN_FILE += .gecko
 CLEAN_PKG += gecko-sdk
-DISTCLEAN_PKG += gecko-sdk-i386-10.4u-1.9.0.11.tar.bz2
+DISTCLEAN_PKG += gecko-sdk-ppc-macosx10.2-1.7.5.tar.gz
 
 # ***************************************************************************
 # Gecko SDK win32

extras/contrib/src/packages.mak

@@ -153,7 +153,7 @@ GLIB_VERSION=2.20.4
 GLIB_URL=http://ftp.gnome.org/pub/gnome/sources/glib/2.20/glib-$(GLIB_VERSION).tar.bz2
 LIBIDL_VERSION=0.8.12
 LIBIDL_URL=http://ftp.gnome.org/pub/gnome/sources/libIDL/0.8/libIDL-$(LIBIDL_VERSION).tar.bz2
-GECKO_SDK_MAC_URL=$(VIDEOLAN)/testing/contrib/gecko-sdk-i386-10.4u-1.9.0.11.tar.bz2
+GECKO_SDK_MAC_URL=$(VIDEOLAN)/testing/contrib/gecko-sdk-ppc-macosx10.2-1.7.5.tar.gz
 GECKO_SDK_WIN32_URL=ftp://ftp.mozilla.org/pub/mozilla.org/mozilla/releases/mozilla1.8b1/gecko-sdk-i586-pc-msvc-1.8b1.zip
 LIBIDL_WIN32_BIN_URL=ftp://ftp.mozilla.org/pub/mozilla.org/mozilla/libraries/win32/historic/vc6/libIDL-0.6.3-win32-bin.zip
 GLIB_WIN32_BIN_URL=ftp://ftp.mozilla.org/pub/mozilla.org/mozilla/libraries/win32/historic/vc6/glib-19990228.zip