[numex] teardown in numex table builder

src/numex_table_builder.c

@@ -22,11 +22,13 @@ int main(int argc, char **argv) {
 
     if (f == NULL) {
         log_error("File could not be opened, ensure directory exists: %s\n", filename);
+        numex_module_teardown();
         exit(1);
     }
 
     if (!numex_module_setup(NULL)) {
         log_error("Numex table initialization unsuccessful\n");
+        numex_module_teardown();
         exit(1);
     }
 
@@ -133,5 +135,7 @@ int main(int argc, char **argv) {
         exit(1);
     }
 
+    numex_module_teardown();
+
     log_info("Done\n");
 }