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-rw-r--r--include/errno.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/errno.h b/include/errno.h
index aef117e87..b2315b90a 100644
--- a/include/errno.h
+++ b/include/errno.h
@@ -52,7 +52,7 @@ extern int errno;
/* The full and simple forms of the name with which the program was
invoked. These variables are set up automatically at startup based on
the value of ARGV[0] (this works only if you use GNU ld). */
-extern char *program_invocation_name, *program_invocation_short_name;
+extern const char *program_invocation_name, *program_invocation_short_name;
#endif /* __USE_GNU */
#endif /* _ERRNO_H */