shithub: nvi

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fix crash when quality is nil

--- a/nvi.c

+++ b/nvi.c

@@ -110,7 +110,7 @@

 			if(ba == nil)

 				ba = f;

 			for(i = 0; i < nida && fa == nil; i++){

-				if((alldigit(ida[i]) && atoi(ida[i]) == f->id) || strcmp(f->quality, ida[i]) == 0){

+				if((alldigit(ida[i]) && atoi(ida[i]) == f->id) || (f->quality != nil && strcmp(f->quality, ida[i]) == 0)){

 					fa = f;

 					break;

 				}