Fixed gcc -Wall warnings.

src/sbbs3/mail.cpp

@@ -54,7 +54,7 @@ int DLLCALL getmail(scfg_t* cfg, int usernumber, BOOL sent)
 	smb.retry_time=cfg->smb_retry_time;
 	sprintf(str,"%s.sid",smb.file);
 	l=flength(str);
-	if(l<sizeof(idxrec_t))
+	if(l<(long)sizeof(idxrec_t))
 		return(0);
 	if(!usernumber) 
 		return(l/sizeof(idxrec_t)); 	/* Total system e-mail */

src/sbbs3/smbutil.c

@@ -59,6 +59,7 @@
 
 #include "genwrap.h"	/* stricmp */
 #include "dirwrap.h"	/* fexist */
+#include "conwrap.h"	/* getch */
 #include "filewrap.h"
 #include "smblib.h"
 #include "crc32.h"