--- "a/test cases/common/152 simd/simdchecker.c"
+++ "b/test cases/common/152 simd/simdchecker.c"
@@ -10,11 +10,12 @@ int check_simd_implementation(float *fou
         const float *expected,
         simd_func fptr,
         const int blocksize) {
+    int i;
     int rv = 0;
     memcpy(four, four_initial, blocksize*sizeof(float));
     printf("Using %s.\n", simd_type);
     fptr(four);
-    for(int i=0; i<blocksize; i++) {
+    for(i=0; i<blocksize; i++) {
         if(four[i] != expected[i]) {
             printf("Increment function failed, got %f expected %f.\n", four[i], expected[i]);
             rv = 1;
--- "a/test cases/unit/17 prebuilt shared/patron.c"
+++ "b/test cases/unit/17 prebuilt shared/patron.c"
@@ -5,4 +5,5 @@ int main(int argc, char **argv) {
     printf("You are standing outside the Great Library of Alexandria.\n");
     printf("You decide to go inside.\n\n");
     alexandria_visit();
+    return 0;
 }