Re-enable rewrite test

Makefile

@@ -1018,6 +1018,8 @@ test_c: buildtests_c
 	$(Q) $(BINDIR)/$(CONFIG)/httpcli_test || ( echo test httpcli_test failed ; exit 1 )
 	$(E) "[RUN]     Testing interop_test"
 	$(Q) $(BINDIR)/$(CONFIG)/interop_test || ( echo test interop_test failed ; exit 1 )
+	$(E) "[RUN]     Testing json_rewrite_test"
+	$(Q) $(BINDIR)/$(CONFIG)/json_rewrite_test || ( echo test json_rewrite_test failed ; exit 1 )
 	$(E) "[RUN]     Testing json_test"
 	$(Q) $(BINDIR)/$(CONFIG)/json_test || ( echo test json_test failed ; exit 1 )
 	$(E) "[RUN]     Testing lame_client_test"

build.json

@@ -1283,7 +1283,6 @@
     {
       "name": "json_rewrite_test",
       "build": "test",
-      "run": false,
       "language": "c",
       "src": [
         "test/core/json/json_rewrite_test.c"

tools/run_tests/tests.json

@@ -197,6 +197,10 @@
     "language": "c", 
     "name": "interop_test"
   }, 
+  {
+    "language": "c", 
+    "name": "json_rewrite_test"
+  }, 
   {
     "language": "c", 
     "name": "json_test"