expose [v]asprintf under _BSD_SOURCE

reported/requested by Strake; simplified from the provided patch

diff --git a/include/stdio.h b/include/stdio.h
index 6e8e64544d97d6e0747aa3adb3125b89aa69a976..645e6221002ee3ff0b58695397b1b305d53f14ff 100644 (file)
--- a/include/stdio.h
+++ b/include/stdio.h
@@ -175,11 +175,11 @@ int fileno_unlocked(FILE *);
 int getw(FILE *);
 int putw(int, FILE *);
 char *fgetln(FILE *, size_t *);
+int asprintf(char **, const char *, ...);
+int vasprintf(char **, const char *, va_list);
 #endif
 
 #ifdef _GNU_SOURCE
-int asprintf(char **, const char *, ...);
-int vasprintf(char **, const char *, va_list);
 char *fgets_unlocked(char *, int, FILE *);
 int fputs_unlocked(const char *, FILE *);
 #endif