Fix crashes on LP64.

--- charproc.c.orig	Wed Mar  2 22:39:44 2011
+++ charproc.c	Wed Mar  2 23:01:35 2011
@@ -6979,12 +6979,12 @@ g_utf8_validate (const char  *str,
 }
 
 int
-from_utf8(char *utf8, int len, char *ksc)
+from_utf8(char *utf8, size_t len, char *ksc)
 {
     char * tmp = alloca(len);
     char *out = tmp;
-    int out_len = len;
-    int vlen;
+    size_t out_len = len;
+    size_t vlen;
     char *vs, *end;
 
     if (!from_utf8_cd) {
@@ -7004,7 +7004,7 @@ from_utf8(char *utf8, int len, char *ksc)
 
     do {
 	ICONV_CONST char *in_p = (ICONV_CONST char *) utf8;
-	int iconv_len = iconv(from_utf8_cd, &in_p, 
+	size_t iconv_len = iconv(from_utf8_cd, &in_p, 
 			      &len, &out, &out_len);
 	if (iconv_len < 0) {
 	    int utf8_bytes;
@@ -7037,10 +7037,10 @@ from_utf8(char *utf8, int len, char *ksc)
 }
 
 int
-to_utf8(char *ksc, int len, char *utf8)
+to_utf8(char *ksc, size_t len, char *utf8)
 {
     char *out = utf8;
-    int out_len = len * 2;
+    size_t out_len = len * 2;
     ICONV_CONST char *in_p;
 
     if (!to_utf8_cd) {
@@ -7049,7 +7049,7 @@ to_utf8(char *ksc, int len, char *utf8)
 	to_utf8_cd = iconv_open("UTF-8", "EUC-KR");
     }
     if (0) {
-	int i;
+	size_t i;
 	for(i=0;i<len;i++) {
 	    if (ksc[i] & 0x80) {
 		char c = ksc[i+1];
