debug: suppress warning for scan-build

app-layer-ssl.c:1497:27: error: call to undeclared function 'RecordAlreadyProcessed'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
    DEBUG_VALIDATE_BUG_ON(RecordAlreadyProcessed(ssl_state->curr_connp));
                          ^
1 error generated.

src/util-validate.h

@@ -102,6 +102,8 @@
 #define DEBUG_VALIDATE_FLOW(f)
 #define DEBUG_VALIDATE_PACKET(p)
 #define DEBUG_VALIDATE_BUG_ON(exp) BUG_ON((exp))
+/* define macro so we also get #ifdef DEBUG_VALIDATION code */
+#define DEBUG_VALIDATION           1
 
 #else /* DEBUG_VALIDATE */