Add local changes from the past 7 years

common.c

@@ -12,6 +12,8 @@
 #include <assert.h>
 #include <pwd.h>
 #include <sys/types.h>
+#include <stdlib.h>
+#include <string.h>
 #include "mysql-admutils.h"
 
 char *program_name;
@@ -50,7 +52,7 @@ wrong_use(char *format, ...)
 int
 dberror(MYSQL *pmysql, char *format, ...)
 {
-  char *errmsg;
+  const char *errmsg;
   va_list ap;
   char *p;
   char token[1024] = "%";