Merge pull request #22 from crclark96/crclark96-memleak-patch

free malloc'd memory at end of file

example4.c

@@ -109,6 +109,8 @@ int main(int argc, char *argv[])
 
 
     genann_free(ann);
+    free(input);
+    free(class);
 
     return 0;
 }