Fix the utility-launcher to look at the name it's run as.

If it's run as "tshark", it should run TShark, not Wireshark.

Bug: 14643
Change-Id: I0d4e6fa64e42b7a2e2d4b89b53db62748b4f288d
Reviewed-on: https://code.wireshark.org/review/27245
Reviewed-by: Guy Harris <guy@alum.mit.edu>

packaging/macosx/utility-launcher/wireshark

@@ -16,4 +16,8 @@ if [ ! -d "$WIRESHARK_APP_DIR" ] ; then
 	exit 1
 fi
 
-exec "$WIRESHARK_APP_DIR/Contents/MacOS/Wireshark" "$@"
+APP_NAME=`basename "$0"`
+if [ "$APP_NAME" = "wireshark" ] ; then
+	APP_NAME=Wireshark
+fi
+exec "$WIRESHARK_APP_DIR/Contents/MacOS/$APP_NAME" "$@"