bloat-o-meter: Ignore syscall aliases SyS_ and compat_SyS_

This avoids double-counting size changes in syscall implementations.

Signed-off-by: Josh Triplett <josh@joshtriplett.org>
diff --git a/scripts/bloat-o-meter b/scripts/bloat-o-meter
index 549d0ab..23e78dc 100755
--- a/scripts/bloat-o-meter
+++ b/scripts/bloat-o-meter
@@ -20,6 +20,8 @@
         if type in "tTdDbBrR":
             # strip generated symbols
             if name.startswith("__mod_"): continue
+            if name.startswith("SyS_"): continue
+            if name.startswith("compat_SyS_"): continue
             if name == "linux_banner": continue
             # statics and some other optimizations adds random .NUMBER
             name = re.sub(r'\.[0-9]+', '', name)