clang fixes for null derefrences

src/detect-distance.c

@@ -196,6 +196,7 @@ static int DetectDistanceTest01(void)
     DetectContentData *co = (DetectContentData *)sm->ctx;
     if (co == NULL) {
         printf("co == NULL: ");
+        goto end;
     }
 
     if (co->distance != 4) {

src/detect-http-header.c

@@ -267,10 +267,12 @@ static int DetectHttpHeaderTest01(void)
     de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
                                "(msg:\"Testing http_header\"; "
                                "content:one; http_header; sid:1;)");
-    if (de_ctx->sig_list != NULL)
+    if (de_ctx->sig_list != NULL) {
         result = 1;
-    else
+    } else {
         printf("Error parsing signature: ");
+        goto end;
+    }
 
     sm = de_ctx->sig_list->match;
     if (sm != NULL) {

src/detect-uricontent.c

@@ -1016,7 +1016,7 @@ static int DetectUriSigTest04(void) {
         s->match != NULL)
     {
         printf("sig 3 failed to parse: ");
-        DetectContentPrint((DetectContentData *) s->pmatch_tail->ctx);
+        //DetectContentPrint((DetectContentData *) s->pmatch_tail->ctx);
         goto end;
     }
 

src/detect.c

@@ -2648,7 +2648,7 @@ int SigAddressPrepareStage5(DetectEngineCtx *de_ctx) {
                         if (global_src_gr->sh != NULL) {
                             printf(" - ");
                             for (u = 0; u < global_src_gr->sh->sig_cnt; u++) {
-                                Signature *s = de_ctx->sig_array[global_dst_gr->sh->match_array[u]];
+                                Signature *s = de_ctx->sig_array[global_src_gr->sh->match_array[u]];
                                 printf("%" PRIu32 " ", s->id);
                             }
                             printf("\n");