Move some common variable definitions out

Author: Girgias

ext/mbstring/libmbfl/mbfl/mbfilter.c

@@ -881,14 +881,15 @@ mbfl_strpos(
 		goto out;
 	}
 
+
+	size_t jtbl[1 << (sizeof(unsigned char) * 8)];
+	size_t needle_u8_len = needle_u8->len;
+	size_t i;
+	const unsigned char *p, *q, *e;
+	const unsigned char *haystack_u8_val = haystack_u8->val,
+						*needle_u8_val = needle_u8->val;
 	/* Bug somewhere in this segment for Out Of Bound detection (normal mode i.e. !reverse with negative offsets) */
 	if (!reverse) {
-		size_t jtbl[1 << (sizeof(unsigned char) * 8)];
-		size_t needle_u8_len = needle_u8->len;
-		size_t i;
-		const unsigned char *p, *q, *e;
-		const unsigned char *haystack_u8_val = haystack_u8->val,
-		                    *needle_u8_val = needle_u8->val;
 		for (i = 0; i < sizeof(jtbl) / sizeof(*jtbl); ++i) {
 			jtbl[i] = needle_u8_len + 1;
 		}
@@ -935,12 +936,8 @@ mbfl_strpos(
 			}
 		}
 	} else {
-		size_t jtbl[1 << (sizeof(unsigned char) * 8)];
-		size_t needle_u8_len = needle_u8->len, needle_len = 0;
-		size_t i;
-		const unsigned char *p, *e, *q, *qe;
-		const unsigned char *haystack_u8_val = haystack_u8->val,
-		                    *needle_u8_val = needle_u8->val;
+		size_t needle_len = 0;
+		const unsigned char *qe;
 		for (i = 0; i < sizeof(jtbl) / sizeof(*jtbl); ++i) {
 			jtbl[i] = needle_u8_len;
 		}