REGRESSION(r?): build-webkit --inspector-frontend always builds ImageDiff
https://bugs.webkit.org/show_bug.cgi?id=215393
<rdar://problem/66862975>

Reviewed by Darin Adler.

* Scripts/build-webkit: exit after building projects if --inspector-frontend is passed.
This flag is for desk builds only and not used by build infrastructure. We don't need to build ImageDiff
when iterating on the Web Inspector frontend.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@265537 268f45cc-cd09-0410-ab3c-d52691b4dbfc
diff --git a/Tools/Scripts/build-webkit b/Tools/Scripts/build-webkit
index 0500097..5f50c5a 100755
--- a/Tools/Scripts/build-webkit
+++ b/Tools/Scripts/build-webkit
@@ -367,6 +367,10 @@
         }
     }
 
+    if (isInspectorFrontend()) {
+        exit exitStatus($result);
+    }
+
     # Build ImageDiff for host
     my @command = File::Spec->catfile(getcwd(), "/Tools/Scripts/build-imagediff");
     chdirWebKit();