File vilistextum-fix-unused-variable-warnings.patch of Package vilistextum

diff -ur vilistextum-2.6.9.orig/src/fileio.c vilistextum-2.6.9/src/fileio.c
--- vilistextum-2.6.9.orig/src/fileio.c	2006-04-22 18:42:26.000000000 +0200
+++ vilistextum-2.6.9/src/fileio.c	2019-10-07 15:27:08.866014317 +0200
@@ -61,9 +61,6 @@
 #ifdef MULTIBYTE
 void convert_string(char *str, CHAR *converted_string)
 {
-	size_t result=(size_t)(-1);
-	/*wchar_t outstring[33];  */
-	/*wchar_t ret; */
 	iconv_t conv;
 	char output[DEF_STR_LEN];
 	char *inp, *outp;
@@ -88,7 +85,8 @@
 	if ((conv = iconv_open("utf-8", "char"))==(iconv_t)(-1))
 		{	fprintf(stderr, "convert_string: iconv_open failed. Can't convert from %s to UTF-8.\n", getenv("LC_CTYPE")); exit(1); }
 
-	result = iconv(conv, &inp, &insize, &outp, &outsize);
+	errno = 0;
+	iconv(conv, &inp, &insize, &outp, &outsize);
 	fehlernr = errno;
 
 	if (fehlernr==E2BIG) { fprintf(stderr, "errno==E2BIG\n"); }
@@ -185,7 +183,6 @@
 	int fehlernr=0; /* tmp variable for errno */
 	static int i=0;
 	int j=0,k; 
-	size_t result=(size_t)(-1);
 	wchar_t outstring[33]; 
 	iconv_t conv;
 	char input[33], output[33];
@@ -216,9 +213,9 @@
 		
 		input[j] = c;
 		
-		errno=0;
+		errno = 0;
 		insize = j+1;
-		result = iconv(conv, &inp, &insize, &outp, &outsize);
+		iconv(conv, &inp, &insize, &outp, &outsize);
 		fehlernr = errno;
 
 		if (fehlernr==E2BIG) { fprintf(stderr, "read_char: errno==E2BIG\n"); }
@@ -237,7 +234,7 @@
 		/* valid character found */
 		else if (fehlernr==0) {
 			/* printf("\n1: c=%d ; %d\n",c,c); */
-				result = mbstowcs(outstring, output, strlen(output));
+				mbstowcs(outstring, output, strlen(output));
 				if (convert_character(outstring[0], tmpstr)) {
 					c = outstring[0];
 					/* printf("2: c=%d ; %d\n",c,c); */