fix unreferenced variable warnings

Author: weltling

library.c

@@ -360,7 +360,6 @@ redis_cmd_format_static(char **ret, char *keyword, char *format, ...) {
     smart_str buf = {0};
     int l = strlen(keyword);
 	char *dbl_str;
-    char dbl_decsep;
 	int dbl_len;
 
 	va_start(ap, format);
@@ -442,7 +441,6 @@ redis_cmd_format(char **ret, char *format, ...) {
 	va_list ap;
 	char *p = format;
 	char *dbl_str;
-    char dbl_decsep;
 	int dbl_len;
 
 	va_start(ap, format);

redis.c

@@ -3896,7 +3896,6 @@ PHP_METHOD(Redis, zAdd) {
     char *key, *val;
     int val_free, key_free = 0;
 	char *dbl_str;
-    char dbl_decsep;
 	int dbl_len;
     smart_str buf = {0};
 
@@ -5545,7 +5544,6 @@ PHP_REDIS_API void generic_subscribe_cmd(INTERNAL_FUNCTION_PARAMETERS, char *sub
     int cmd_len, array_count, key_len, key_free;
 	zval *z_tab, **tmp;
 	char *type_response;
-    int is_pmsg, tab_idx;
 
 	/* Function call information */
 	zend_fcall_info z_callback;

redis_array.c

@@ -985,8 +985,6 @@ PHP_METHOD(RedisArray, mset)
 	unsigned int key_len, free_idx = 0;
 	int type, *key_lens;
 	unsigned long idx;
-	int found;
-	zval *z_tmp;
 
 	/* Multi/exec support */
 	HANDLE_MULTI_EXEC("MSET");
@@ -1006,7 +1004,7 @@ PHP_METHOD(RedisArray, mset)
 	argv = emalloc(argc * sizeof(zval*));
 	pos = emalloc(argc * sizeof(int));
 	keys = emalloc(argc * sizeof(char*));
-    key_lens = emalloc(argc * sizeof(int));
+	key_lens = emalloc(argc * sizeof(int));
 	redis_instances = emalloc(argc * sizeof(zval*));
 	memset(redis_instances, 0, argc * sizeof(zval*));
 

redis_array_impl.c

@@ -455,7 +455,6 @@ zval *
 ra_find_node(RedisArray *ra, const char *key, int key_len, int *out_pos TSRMLS_DC) {
 
         uint32_t hash;
-        uint64_t h64;
         char *out;
         int pos, out_len;
 

redis_session.c

@@ -187,7 +187,6 @@ PS_OPEN_FUNC(redis)
 	php_url *url;
 	zval *params, **param;
 	int i, j, path_len;
-	RedisSock *redis_sock;
 
 	redis_pool *pool = redis_pool_new(TSRMLS_C);