DO NOT MERGE: Remove unused variables

Remove unused variables -- they cause warnings (and errors with
-Werror) when building with clang 3.4.

Change-Id: I6ef10841bc1384bf256d73874ae1e709caa6b132
Signed-off-by: Bernhard Rosenkränzer <Bernhard.Rosenkranzer@linaro.org>
diff --git a/icmp.c b/icmp.c
index af96b83..75a4a4d 100644
--- a/icmp.c
+++ b/icmp.c
@@ -139,7 +139,7 @@
   }
 
   // We don't understand this ICMP type. Return parameter problem so the caller will bail out.
-  logmsg_dbg(ANDROID_LOG_DEBUG, "icmp6_to_icmp_type: unhandled ICMP type %d", type);
+  logmsg_dbg(ANDROID_LOG_DEBUG, "icmp6_to_icmp_type: unhandled ICMP type/code %d/%d", type, code);
   return ICMP_PARAMETERPROB;
 }