sh: Fix various compiler warnings.

It now passes WARNS=7 with clang on i386.

GCC 4.2.1 does not understand setjmp() properly so will always trigger
-Wuninitialized. I will not add the volatile keywords to suppress this.

1 files changed, 1 insertions, 1 deletions

diff --git a/bin/sh/parser.h b/bin/sh/parser.h
index f80d91778787..b803f76dbe64 100644
--- a/bin/sh/parser.h
+++ b/bin/sh/parser.h
@@ -82,4 +82,4 @@ void fixredir(union node *, const char *, int);
 int goodname(const char *);
 int isassignment(const char *);
 char *getprompt(void *);
-const char *expandstr(char *);
+const char *expandstr(const char *);