fix unterminated #else

...
/home/jefer/RM-35-KERNEL-PECAN/arch/arm/boot/compressed/head.S:200:0: error: unterminated #else
 #ifndef CONFIG_ZBOOT_ROM
 ^
make[3]: *** [arch/arm/boot/compressed/head.o] Error 1
make[3]: *** Se espera a que terminen otras tareas....
  CC      drivers/net/tun.mod.o
  CC      drivers/net/wireless/bcm4329/wireless.mod.o
make[2]: *** [arch/arm/boot/compressed/vmlinux] Error 2
make[1]: *** [zImage] Error 2
make[1]: *** Se espera a que terminen otras tareas....
  CC      drivers/scsi/scsi_wait_scan.mod.o
  LD [M]  drivers/net/tun.ko
  CC      fs/cifs/cifs.mod.o
  LD [M]  drivers/net/wireless/bcm4329/wireless.ko
  LD [M]  drivers/scsi/scsi_wait_scan.ko
  LD [M]  fs/cifs/cifs.ko
make: *** [sub-make] Error 2