--- a/fileio.c	Mon Jul 31 22:11:34 2006 +0000
+++ b/fileio.c	Mon Jul 31 22:15:39 2006 +0000
@@ -103,7 +103,7 @@
 		FioCloseFile(i);
 }
 
-bool FiosCheckFileExists(const char *filename)
+bool FioCheckFileExists(const char *filename)
 {
 	FILE *f;
 	char buf[MAX_PATH];

--- a/fileio.h	Mon Jul 31 22:11:34 2006 +0000
+++ b/fileio.h	Mon Jul 31 22:15:39 2006 +0000
@@ -14,6 +14,6 @@
 void FioOpenFile(int slot, const char *filename);
 void FioReadBlock(void *ptr, uint size);
 void FioSkipBytes(int n);
-bool FiosCheckFileExists(const char *filename);
+bool FioCheckFileExists(const char *filename);
 
 #endif /* FILEIO_H */

--- a/newgrf.c	Mon Jul 31 22:11:34 2006 +0000
+++ b/newgrf.c	Mon Jul 31 22:15:39 2006 +0000
@@ -2996,7 +2996,7 @@
 		_cur_stage = stage;
 		_cur_spriteid = load_index;
 		for (c = _first_grfconfig; c != NULL; c = c->next) {
-			if (!FiosCheckFileExists(c->filename)) {
+			if (!FioCheckFileExists(c->filename)) {
 				// TODO: usrerror()
 				error("NewGRF file missing: %s", c->filename);
 			}