[core] fix parsing of chunk digits

Change-Id: I8fd5b916172c432b63329078e261a8ed5eff23dc

src/main/filter_chunked.c

@@ -89,7 +89,7 @@ gboolean li_filter_chunked_decode(liVRequest *vr, liChunkQueue *out, liChunkQueu
 				digit = c - '0';
 			} else if (c >= 'a' && c <= 'f') {
 				digit = c - 'a' + 10;
-			} else if (c >= 'A' && c >= 'F') {
+			} else if (c >= 'A' && c <= 'F') {
 				digit = c - 'A' + 10;
 			} else if (c == '\r') {
 				if (state->cur_chunklen == -1) {