Wall is a good idea for the vim ide integration

Change-Id: Ifb3c602335097ec1e837b60c236683382cfde3e1
diff --git a/bin/gbuild-to-ide b/bin/gbuild-to-ide
index 169cd16..fb2e888 100755
--- a/bin/gbuild-to-ide
+++ b/bin/gbuild-to-ide
@@ -441,7 +441,7 @@ class VimIntegrationGenerator(IdeIntegrationGenerator):
        json.dump(global_list, export_file)

    def generateCommand(self, lib, file):
        command = 'clang++ '
        command = 'clang++ -Wall'
        for key, value in lib.defs.items():
            command += ' -D'
            command += key