Use mu_getpwnam instead of system getpwnam.

@@ -138,13 +138,8 @@ imap4d_login (struct imap4d_command *command, char *arg)
   else if (util_getword (NULL, &sp))
     return util_finish (command, RESP_NO, "Too many args");
 
-  pw = getpwnam (username);
+  pw = mu_getpwnam (username);
   if (pw == NULL)
-#ifdef HAVE_MYSQL
-    pw = getMpwnam (username);
-
-  if (pw == NULL)
-#endif /* HAVE_MYSQL */
 #ifdef USE_VIRTUAL_DOMAINS
     pw = imap4d_virtual (username);
 

@@ -20,7 +20,7 @@
 static int is_virtual = 0;
 
 #ifdef HAVE_MYSQL
-#include "../MySql/MySql.h"
+# include "../MySql/MySql.h"
 #endif
 
 #ifdef USE_VIRTUAL_DOMAINS
@@ -172,11 +172,7 @@ pop3d_user (const char *arg)
 	}
 #endif
 
-      pw = getpwnam (arg);
-#ifdef HAVE_MYSQL
-      if (pw == NULL)
-	pw = getMpwnam (arg);
-#endif /* HAVE_MYSQL */
+      pw = mu_getpwnam (arg);
 
 #ifdef USE_VIRTUAL_DOMAINS
       if (pw == NULL)