Merge commit '9f26f8b' into bfgminer-4.7.x

driver-bitforce.c

@@ -555,7 +555,7 @@ bool bitforce_detect_oneof(const char * const devpath, struct bitforce_lowl_inte
 	struct cgpu_info *bitforce;
 	char pdevbuf[0x100];
 	size_t pdevbuf_len;
-	char *s;
+	char *s = NULL;
 	int procs = 1, parallel = -1;
 	long maxchipno = 0;
 	struct bitforce_init_data *initdata;