Fix reporting uninitialized error value

AMDmi3 · AMDmi3 · commit 8f8af8532999 · 2014-08-18T02:51:24.000+04:00
diff --git a/tox_av.h b/tox_av.h
@@ -253,7 +253,7 @@ static void video_thread(void *args)
                 for(i = 0; i < MAX_CALLS; i++) {
                     if(call[i]) {
                         int r, len;
-                        if((len = toxav_prepare_video_frame(av, i, lbuffer, sizeof(lbuffer), &input)) < 0) {
+                        if((r = len = toxav_prepare_video_frame(av, i, lbuffer, sizeof(lbuffer), &input)) < 0) {
                             debug("toxav_prepare_video_frame error %i\n", r);
                             continue;
                         }

Original file line number	Diff line number	Diff line change
`@@ -253,7 +253,7 @@ static void video_thread(void *args)`
`253`	`253`	`for(i = 0; i < MAX_CALLS; i++) {`
`254`	`254`	`if(call[i]) {`
`255`	`255`	`int r, len;`
`256`		`- if((len = toxav_prepare_video_frame(av, i, lbuffer, sizeof(lbuffer), &input)) < 0) {`
	`256`	`+ if((r = len = toxav_prepare_video_frame(av, i, lbuffer, sizeof(lbuffer), &input)) < 0) {`
`257`	`257`	`debug("toxav_prepare_video_frame error %i\n", r);`
`258`	`258`	`continue;`
`259`	`259`	`}`