Add a missing backslash.

Change-Id: Iac79c885fe10805b61512ed2c02cd652f1c3fd7a
Reviewed-on: https://code.wireshark.org/review/5010
Reviewed-by: Gerald Combs <gerald@wireshark.org>

packaging/macosx/osx-app.sh

@@ -295,7 +295,7 @@ create_bundle() {
 
 	# Copy the plugins from the "make install" location for them
 	# to the plugin directory, removing the version number
-	find "$binary_path/../lib/wireshark/plugins"
+	find "$binary_path/../lib/wireshark/plugins" \
 		-type f \
 		\( -name "*.so" -o -name "*.dylib" \) \
 		-exec cp -fv "{}" "$pkgplugin/" \;