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-rw-r--r--lib-src/digest-doc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib-src/digest-doc.c b/lib-src/digest-doc.c
index d8c6e620a19..b3cb58e6d99 100644
--- a/lib-src/digest-doc.c
+++ b/lib-src/digest-doc.c
@@ -31,7 +31,7 @@ but in texinfo format and sorted by function/variable name. */
#endif
int
-main ()
+main (void)
{
register int ch;
register int notfirst = 0;