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-rw-r--r--Build/source/texk/kpathsea/lib.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/Build/source/texk/kpathsea/lib.h b/Build/source/texk/kpathsea/lib.h
index d8936c01913..3dd1daffe70 100644
--- a/Build/source/texk/kpathsea/lib.h
+++ b/Build/source/texk/kpathsea/lib.h
@@ -169,8 +169,8 @@ extern KPSEDLL string make_prefix (string stem_prefix, string name);
/* If NAME has a suffix, simply return it; otherwise, return
`NAME.SUFFIX'. */
-extern KPSEDLL string extend_filename (const_string name,
- const_string suffix);
+extern KPSEDLL const_string extend_filename (const_string name,
+ const_string suffix);
/* Call putenv with the string `VAR=VALUE' and abort on error. */
extern KPSEDLL void kpathsea_xputenv (kpathsea kpse, const_string var,