File fix-werror.patch of Package libxcrypt

Index: libxcrypt-3.0.4/src/cert.c
===================================================================
--- libxcrypt-3.0.4.orig/src/cert.c
+++ libxcrypt-3.0.4/src/cert.c
@@ -87,7 +87,8 @@ char *cp;
 	int i,j,t;
 
 	for(i=0;i<8;i++){
-	        scanf("%2x",&t);
+	        if (!scanf("%2x",&t))
+                  good_bye();
 		if(feof(stdin))
 		  good_bye();
 		for(j=0; j<8 ; j++) {
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