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-rw-r--r--elf/unload3mod4.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/elf/unload3mod4.c b/elf/unload3mod4.c
index 4586ff7383..52f808e79b 100644
--- a/elf/unload3mod4.c
+++ b/elf/unload3mod4.c
@@ -1,5 +1,7 @@
 #include <stdio.h>
 
+extern int foo (int x);
+
 int
 bar (int x)
 {