Fixed compiler warnings

Changed version string to beta

client/mysql.cc:
  Fixed compiler warning
configure.in:
  Changed version string to beta
plugin/auth/dialog.c:
  Fixed compiler warning (gets() is a not recommended function)

client/mysql.cc

@@ -4288,8 +4288,9 @@ extern "C" char *mysql_authentication_dialog_ask(MYSQL *mysql, int type,
   }
   else
   {
-    fgets(buf, buf_len-1, stdin);
-    if (buf[0] && (s= strend(buf))[-1] == '\n')
+    if (!fgets(buf, buf_len-1, stdin))
+      buf[0]= 0;
+    else if (buf[0] && (s= strend(buf))[-1] == '\n')
       s[-1]= 0;
   }
 

configure.in

@@ -12,7 +12,7 @@ AC_PREREQ(2.59)
 # MySQL version number.
 #
 # Note: the following line must be parseable by win/configure.js:GetVersion()
-AC_INIT([MariaDB Server], [5.2.0-MariaDB-alpha], [], [mysql])
+AC_INIT([MariaDB Server], [5.2.0-MariaDB-beta], [], [mysql])
 AC_CONFIG_SRCDIR([sql/mysqld.cc])
 AC_CANONICAL_SYSTEM
 # USTAR format gives us the possibility to store longer path names in

plugin/auth/dialog.c

@@ -224,11 +224,11 @@ static mysql_authentication_dialog_ask_t ask;
 static char *builtin_ask(MYSQL *mysql __attribute__((unused)),
                          int type __attribute__((unused)),
                          const char *prompt,
-                         char *buf, int buf_len __attribute__((unused)))
+                         char *buf, int buf_len)
 {
   fputs(prompt, stdout);
   fputc(' ', stdout);
-  if (gets(buf) == 0)
+  if (fgets(buf, buf_len, stdin) == 0)
     return 0;
 
   return buf;