Bug 1447913 - follow-up - fix skia_gpu dependency on target. r=me CLOSED TREE

toolkit/moz.configure

@@ -896,8 +896,8 @@ set_define('SK_BUILD_FOR_ANDROID_NDK', skia_android)
 
 option('--disable-skia-gpu', help='Disable use of Skia-GPU')
 
-@depends('--disable-skia-gpu', skia, target)
-def skia_gpu(value, skia, target):
+@depends('--disable-skia-gpu', skia)
+def skia_gpu(value, skia):
     if value.origin == 'default':
         if not skia:
             return None