hash fix in staging to differentiate nocase duplicate patterns from case-senstive ones

src/detect-engine-mpm.c

@@ -450,7 +450,7 @@ char ContentHashCompareFunc(void *data1, uint16_t len1, void *data2, uint16_t le
     DetectContentData *co2 = ch2->ptr;
 
     if (co1->content_len == co2->content_len &&
-        co1->flags == co2->flags &&
+        ((co1->flags & DETECT_CONTENT_NOCASE) == (co2->flags & DETECT_CONTENT_NOCASE)) &&
         SCMemcmp(co1->content, co2->content, co1->content_len) == 0)
         return 1;
 
@@ -464,6 +464,7 @@ char UricontentHashCompareFunc(void *data1, uint16_t len1, void *data2, uint16_t
     DetectUricontentData *ud2 = ch2->ptr;
 
     if (ud1->uricontent_len == ud2->uricontent_len &&
+        ((ud1->flags & DETECT_URICONTENT_NOCASE) == (ud2->flags & DETECT_URICONTENT_NOCASE)) &&
         SCMemcmp(ud1->uricontent, ud2->uricontent, ud1->uricontent_len) == 0)
         return 1;