Increment SBBSecho version to 3.05:

more control over SBBS-initiated netmail source/origin addresses.

src/sbbs3/sbbsecho.h

@@ -42,7 +42,7 @@
 #include "fidodefs.h"
 
 #define SBBSECHO_VERSION_MAJOR		3
-#define SBBSECHO_VERSION_MINOR		4
+#define SBBSECHO_VERSION_MINOR		5
 
 #define SBBSECHO_PRODUCT_CODE		0x12FF	/* from http://ftsc.org/docs/ftscprod.013 */