TBR: Revert "TBR: Change ldflag to prevent warning from go 1.5 tool."

This reverts commit c64a443c6c8e058218fe8b9539b0eba257d84cfb.

Change-Id: Idebee54b018476ff3c061c8cab2dcf2a2e8e5128
diff --git a/Makefile b/Makefile
index 5146cc9..16c271a 100644
--- a/Makefile
+++ b/Makefile
@@ -150,7 +150,7 @@
 $(ETHER_BUILD_DIR)/syncbase_server.mojo: CGO_CFLAGS := -I$(THIRD_PARTY_LIBS)/leveldb/include
 $(ETHER_BUILD_DIR)/syncbase_server.mojo: CGO_CXXFLAGS := -I$(THIRD_PARTY_LIBS)/leveldb/include
 $(ETHER_BUILD_DIR)/syncbase_server.mojo: CGO_LDFLAGS := -L$(THIRD_PARTY_LIBS)/leveldb/lib -lleveldb -L$(THIRD_PARTY_LIBS)/snappy/lib -lsnappy
-$(ETHER_BUILD_DIR)/syncbase_server.mojo: LDFLAGS := -X v.io/x/ref/runtime/internal.commandLineFlags='$(V23_MOJO_FLAGS)'
+$(ETHER_BUILD_DIR)/syncbase_server.mojo: LDFLAGS := -X v.io/x/ref/runtime/internal.commandLineFlags '$(V23_MOJO_FLAGS)'
 $(ETHER_BUILD_DIR)/syncbase_server.mojo: $(GO_FILES) $(V23_GO_FILES) $(MOJO_SHARED_LIB) gen/go/src/mojom/syncbase/syncbase.mojom.go | env-check
 	$(call MOGO_BUILD,v.io/syncbase/x/ref/services/syncbase/syncbased,$@)