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, 2 insertions, 2 deletions

diff --git a/bin/sh/input.h b/bin/sh/input.h
index c8802f9..70f675e 100644
--- a/bin/sh/input.h
+++ b/bin/sh/input.h
@@ -42,7 +42,7 @@
  */
 extern int plinno;
 extern int parsenleft;		/* number of characters left in input buffer */
-extern char *parsenextc;	/* next character in input buffer */
+extern const char *parsenextc;	/* next character in input buffer */
 
 struct alias;
 struct parsefile;
@@ -55,7 +55,7 @@ void pungetc(void);
 void pushstring(char *, int, struct alias *);
 void setinputfile(const char *, int);
 void setinputfd(int, int);
-void setinputstring(char *, int);
+void setinputstring(const char *, int);
 void popfile(void);
 struct parsefile *getcurrentfile(void);
 void popfilesupto(struct parsefile *);