Fix static analysis failures

src/freedombone-tests

@@ -123,7 +123,7 @@ function test_app_functions {
         # for each expected interface function
         for f in "${interface_functions[@]}"
         do
-            test_app_function_type ${filename} "$f"
+            test_app_function_type "${filename}" "$f"
         done
     done
 }
@@ -1305,7 +1305,7 @@ freedombone-pass --test yes
 fix_stig
 test_stig
 
-if [ ! $RUN_STIG ]; then
+if [ ! "$RUN_STIG" ]; then
     echo $'All tests passed'
 fi