Fix static analysis failures

src/freedombone-sec

 CONFIGURATION_FILE=$HOME/${PROJECT_NAME}.cfg
 COMPLETION_FILE=$HOME/${PROJECT_NAME}-completed.txt
 
-UTILS_FILES=/usr/share/${PROJECT_NAME}/utils/${PROJECT_NAME}-utils-*
+UTILS_FILES="/usr/share/${PROJECT_NAME}/utils/${PROJECT_NAME}-utils-*"
 for f in $UTILS_FILES
 do
-    source $f
+    source "$f"
 done
 
 SSL_PROTOCOLS=