Fix for "undefined reference to" 'cpu_68k_mkstate' and 'cpu_z80_mkstate'

http://code.google.com/p/gngeo/source/detail?r=4dec1ccfb85d9de229bdbee1e4d2b730cfdedf70

Author: Mathieu Peponas <m.peponas>

Log message:
Add mkstate interface to raze and cyclone (Fix  Issue 1  Gngeo 0.8 compile error)
Save state still not implemented on these core.

--- src/gngeo-0.8/src/star_interf.c	2011-10-25 16:04:13.000000000 -0200
+++ star_interf.c	2012-01-30 19:11:05.148009489 -0200
@@ -169,6 +169,10 @@
     pretend_writeword[7].memorycall=mem68k_store_bk_normal_word;
 }
 
+void cpu_68k_mkstate(gzFile *gzf,int mode) {
+	/* TODO */
+}
+
 void cpu_68k_init(void)
 {
     s68000init();

--- src/gngeo-0.8/src/raze_interf.c	2011-10-25 16:04:13.000000000 -0200
+++ raze_interf.c	2012-01-30 19:11:11.218079959 -0200
@@ -220,7 +220,9 @@
 }
 #endif
 
-
+void cpu_z80_mkstate(gzFile *gzf,int mode) {
+	/* TODO */
+}
 
 void cpu_z80_init(void)
 {