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-rw-r--r--include/m_string.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/m_string.h b/include/m_string.h
index 42161171eef..4bfc4ae51a9 100644
--- a/include/m_string.h
+++ b/include/m_string.h
@@ -89,8 +89,8 @@ extern char *stpcpy(char *, const char *); /* For AIX with gcc 2.95.3 */
#endif
/* Declared in int2str() */
-extern char NEAR _dig_vec_upper[];
-extern char NEAR _dig_vec_lower[];
+extern const char NEAR _dig_vec_upper[];
+extern const char NEAR _dig_vec_lower[];
/* Defined in strtod.c */
extern const double log_10[309];