Merge pull request OpenKinect#441 from bodedejavu/master

Fixes possible segfault during audio firmware loading.

Reviewed-by: Benn Snyder <[email protected]>

Author: piedar

src/loader.c

@@ -180,8 +180,9 @@ FN_INTERNAL int upload_firmware(fnusb_dev* dev, char * filename) {
 				break;
 			case 3:
 				//fwfile = "/usr/local/share/libfreenect/audios.bin";
+                fwfile = (char *)malloc(2048);
+                needs_free = 1;
                 sprintf(fwfile, "/usr/local/share/libfreenect%s", fw_filename);
-
 				break;
 			case 4:
 				//fwfile = "/usr/share/libfreenect/audios.bin";