winedump: Fix a copy/paste typo.
diff --git a/tools/winedump/lnk.c b/tools/winedump/lnk.c
index f4669c1..78b2c45 100644
--- a/tools/winedump/lnk.c
+++ b/tools/winedump/lnk.c
@@ -454,11 +454,11 @@
     return 0;
 }
 
-int dump_lnk(const char *emf)
+int dump_lnk(const char *lnk)
 {
     int fd;
 
-    fd = open(emf,O_RDONLY);
+    fd = open(lnk,O_RDONLY);
     if (fd<0)
         return -1;
     dump_lnk_fd(fd);