stdio: make internal symbols static/hidden
Although header libc/stdio/local.h declares the macros and private
variables of stdio, there are several internal symbols exposed
unexpectedly.
Change-Id: Ie7a07f85b70322fb9cd05b3c8e1bcc416061eb4b
diff --git a/libc/stdio/findfp.c b/libc/stdio/findfp.c
index 039293f..1d0f9c5 100644
--- a/libc/stdio/findfp.c
+++ b/libc/stdio/findfp.c
@@ -55,7 +55,7 @@
static struct __sfileext usualext[FOPEN_MAX - 3];
static struct glue uglue = { 0, FOPEN_MAX - 3, usual };
-struct __sfileext __sFext[3];
+static struct __sfileext __sFext[3];
FILE __sF[3] = {
std(__SRD, STDIN_FILENO), /* stdin */
std(__SWR, STDOUT_FILENO), /* stdout */