gentoo-overlay/games-simulation/simutrans/files/simutrans-0.102.2.2-zlib.patch

--- dataobj/loadsave.cc.old	2012-03-23 20:37:16.071335099 +0100
+++ dataobj/loadsave.cc	2012-03-23 20:39:53.600282699 +0100
@@ -82,7 +82,7 @@
 		if(fp==NULL) {
 			return false;
 		}
-		gzgets(fp, buf, 80);
+		gzgets((gzFile)fp, buf, 80);
 	}
 	saving = false;
 
@@ -237,11 +237,11 @@
 		}
 		if(is_zipped()) {
 			int err_no;
-			const char *err_str = gzerror( fp, &err_no );
+			const char *err_str = gzerror((gzFile)fp, &err_no );
 			if(err_no!=Z_OK  &&  err_no!=Z_STREAM_END) {
 				success =  err_no==Z_ERRNO ? strerror(errno) : err_str;
 			}
-			gzclose(fp);
+			gzclose((gzFile)fp);
 		}
 		else if(  is_bzip2()  ) {
 			if(   saving  ) {
@@ -280,7 +280,7 @@
 		return bse!=BZ_OK;
 	}
 	else {
-		return gzeof(fp) != 0;
+		return gzeof((gzFile)fp) != 0;
 	}
 }
 
@@ -288,7 +288,7 @@
 void loadsave_t::lsputc(int c)
 {
 	if(is_zipped()) {
-		gzputc(fp, c);
+		gzputc((gzFile)fp, c);
 	}
 	else if(is_bzip2()) {
 		uint8 ch = c;
@@ -309,14 +309,14 @@
 		return bse==BZ_OK ? c[0] : -1;
 	}
 	else {
-		return gzgetc(fp);
+		return gzgetc((gzFile)fp);
 	}
 }
 
 long loadsave_t::write(const void *buf, size_t len)
 {
 	if(is_zipped()) {
-		return gzwrite(fp, const_cast<void *>(buf), len);
+		return gzwrite((gzFile)fp, const_cast<void *>(buf), len);
 	}
 	else if(is_bzip2()) {
 		BZ2_bzWrite( &bse, bzfp, const_cast<void *>(buf), len);
@@ -338,7 +338,7 @@
 		return (long)len&~(bse-BZ_OK);
 	}
 	else {
-		return gzread(fp, buf, len);
+		return gzread((gzFile)fp, buf, len);
 	}
 }