Don't define GEKKO for the host build

Makefile.host

@@ -74,7 +74,7 @@ $(BIN_DIR)/%.dol: %.elf
 # Compilation flags.
 COMMON_FLAGS	:= -g -Wall $(MACHDEP)
 INCLUDES	:= -Isrc/md-generic/ -Isrc/include -Isrc -I/usr/include/SDL
-DEFINES		:= -DGEKKO -DFPUEMU -DCPUEMU_0 -DCPUEMU_5 -DCPUEMU_6 -DAGA \
+DEFINES		:= -DFPUEMU -DCPUEMU_0 -DCPUEMU_5 -DCPUEMU_6 -DAGA \
 		   -DSUPPORT_THREADS -DUSE_SDL -DFDI2RAW -DDEBUGGER -DSAVESTATE \
                    -DENFORCER -DACTION_REPLAY
 CFLAGS		:= $(COMMON_FLAGS) $(INCLUDES) $(DEFINES)

src/filesys.c

@@ -59,7 +59,7 @@
 #define DUMPLOCK(u,x)
 #endif
 
-#if defined(GEKKOb)
+#if defined(GEKKO)
 #define R_OK 1
 static int wii_access (const char *pathname, int mode)
 {

src/fsdb_unix.c

@@ -135,7 +135,7 @@ char *fsdb_create_unique_nname (a_inode *base, const char *suggestion)
     for (;;) {
 	int i;
 	char *p = build_nname (base->nname, tmp);
-#if !defined(GEKKOb)
+#if !defined(GEKKO)
 	if (access (p, R_OK) < 0 && errno == ENOENT) {
 	    printf ("unique name: %s\n", p);
 	    return p;