sim: sh: drop errno extern

This isn't needed on any reasonable target nowadays, and no other
source does this, and breaks with some mingw targets, so punt the
extern entirely.

diff --git a/sim/sh/interp.c b/sim/sh/interp.c
index c4ac5b3e66b1efbccb31c022924fdf4e2bfd6ae6..ce4d6cd760324134915e47ce32619532a899214a 100644 (file)
--- a/sim/sh/interp.c
+++ b/sim/sh/interp.c
@@ -879,7 +879,6 @@ trap (SIM_DESC sd, int i, int *regs, unsigned char *insn_ptr,
       }
     case 34:
       {
-       extern int errno;
        int perrno = errno;
        errno = 0;