fixing format in msvdx_init.c

drm/emgd/video/msvdx/msvdx_init.c: In function ‘msvdx_init_plb’:
drm/emgd/video/msvdx/msvdx_init.c:1045:5: warning: format ‘%x’ expects argument of type ‘unsigned int’, but argument 2 has type ‘long unsigned int’ [-Wformat=]
     printk(KERN_INFO "CTL_MSG: WDT Control value = 0x%x", reg_val);
     ^
drm/emgd/video/msvdx/msvdx_init.c:1055:5: warning: format ‘%x’ expects argument of type ‘unsigned int’, but argument 2 has type ‘long unsigned int’ [-Wformat=]
     printk(KERN_INFO "CTL_MSG: WDT Control value = 0x%x", reg_val);
     ^
move #if to right place
uncomment unused variable (might be still needed on older kernel versions)
fixes also warning on 3.13.x
uncomment unused variable (might be still needed on older kernel versions)
updating #pragma
moving version check more to the top again