Possible error fix

version/version.bash

@@ -9,7 +9,7 @@ const char git_version[] = "$VERSION";
 EOF
 ) || "WalrusRPG-undefined"
 
-echo $source | diff $1 - > /dev/null 2>&1
+echo "$source" | diff $1 - > /dev/null 2>&1
 if [[ $? -ne 0 ]]
   then
   echo "Updating version source"