(loginit, main): Pass log file basename as parameter.

(logerror): Require prior call of loginit().
(empth_exit) [_EMPTH_WIN32]: Don't print the log file name here, it's
not modular.
(program, getlogfile): Unused, remove.

src/server/main.c

@@ -67,8 +67,6 @@
 #include "server.h"
 #include "prototypes.h"
 
-s_char program[] = "server";
-
 void nullify_objects(void);
 void init_files(void);
 void close_files(void);
@@ -101,6 +99,8 @@ main(int argc, char **argv)
     struct sigaction act;
 #endif /* POSIXSIGNALS */
 
+    loginit("server");
+
 #if !defined(_WIN32)
     mainpid = getpid();