diff -urN tpop3d-1.5.3.org/auth_mysql.c tpop3d-1.5.3/auth_mysql.c
--- tpop3d-1.5.3.org/auth_mysql.c	2004-08-19 23:51:19.751469352 +0200
+++ tpop3d-1.5.3/auth_mysql.c	2004-08-19 23:54:16.564589672 +0200
@@ -44,7 +44,7 @@
  *  [2] unix user
  *  [3] mailbox type
  */
-char *user_pass_query_template =
+static char *user_pass_query_template =
     "SELECT concat(domain.path, '/', popbox.mbox_name), popbox.password_hash, "
             "domain.unix_user, 'bsd' "
       "FROM popbox, domain "
@@ -52,7 +52,7 @@
        "AND popbox.domain_name = '$(domain)' "
        "AND popbox.domain_name = domain.domain_name";
        
-char *apop_query_template =
+static char *apop_query_template =
     "SELECT concat(domain.path, '/', popbox.mbox_name), popbox.password_hash, "
             "domain.unix_user, 'bsd' "
       "FROM popbox, domain "
@@ -60,7 +60,7 @@
        "AND popbox.domain_name = '$(domain)' "
        "AND popbox.domain_name = domain.domain_name";
 
-char *onlogin_query_template = NULL;
+static char *onlogin_query_template = NULL;
 
 /* GID used to access mail spool (if any). */
 int use_gid;
diff -urN tpop3d-1.5.3.org/auth_pgsql.c tpop3d-1.5.3/auth_pgsql.c
--- tpop3d-1.5.3.org/auth_pgsql.c	2004-08-19 23:51:18.772618160 +0200
+++ tpop3d-1.5.3/auth_pgsql.c	2004-08-19 23:54:37.936340672 +0200
@@ -105,7 +105,7 @@
  *  [2] unix user
  *  [3] mailbox type
  */
-char *user_pass_query_template =
+static char *user_pass_query_template =
     "SELECT domain.path || '/'  || popbox.mbox_name, popbox.password_hash, "
             "domain.unix_user, 'bsd' "
       "FROM popbox, domain "
@@ -113,7 +113,7 @@
        "AND popbox.domain_name = '$(domain)' "
        "AND popbox.domain_name = domain.domain_name";
        
-char *apop_query_template =
+static char *apop_query_template =
     "SELECT domain.path || '/' || popbox.mbox_name, popbox.password_hash, "
             "domain.unix_user, 'bsd' "
       "FROM popbox, domain "
@@ -121,7 +121,7 @@
        "AND popbox.domain_name = '$(domain)' "
        "AND popbox.domain_name = domain.domain_name";
 
-char *onlogin_query_template = NULL;
+static char *onlogin_query_template = NULL;
 
 /* GID used to access mail spool (if any). */
 int use_gid;