Fixes to minor Coverity errors:

75424
73422
72724
72702
72662

query_classifier/test/canonical_tests/canonizer.c

@@ -57,6 +57,9 @@ int main(int argc, char** argv)
 		{
 			fgets(readbuff,4092,infile);
 			psize = strlen(readbuff);
+			if(psize < 0 || > 4092){
+				continue;
+			}
 			qbuff = gwbuf_alloc(psize + 7);
 			*(qbuff->sbuf->data + 0) = (unsigned char)psize;
 			*(qbuff->sbuf->data + 1) = (unsigned char)(psize>>8);