vfs/smb: removed own obsolete and broken substitution of strchr

vfs/samba/configure.ac

@@ -132,7 +132,7 @@ if test x"$ac_cv_func_connect" = x"no"; then
 fi
 
 AC_CHECK_FUNCS(waitpid getcwd strtoul chown chmod)
-AC_CHECK_FUNCS(fstat strchr utime utimes getrlimit fsync memset)
+AC_CHECK_FUNCS(fstat utime utimes getrlimit fsync memset)
 AC_CHECK_FUNCS(memmove vsnprintf snprintf setsid glob pipe crypt16 getauthuid)
 AC_CHECK_FUNCS(sigprocmask sigblock sigaction innetgr setnetgrent getnetgrent endnetgrent)
 AC_CHECK_FUNCS(initgroups select rdchk getgrnam pathconf)

vfs/samba/include/includes.h

@@ -454,11 +454,6 @@
 #define MAX(a,b) ((a)>(b)?(a):(b))
 #endif
 
-#ifndef HAVE_STRCHR
-# define strchr                 index
-# define strrchr                rindex
-#endif
-
 #ifdef HAVE_BROKEN_GETGROUPS
 #define GID_T int
 #else