display: Fix merge issue in jb_mr1

Slightly different version went on jb_2.5 which caused a
mismatch. Escaped testing because FB HAL is not used.

Change-Id: Ia7ee2fb80bf937499d372383641f71530dc1feca
diff --git a/libhwcomposer/hwc_utils.cpp b/libhwcomposer/hwc_utils.cpp
index 496dc21..84da5c4 100644
--- a/libhwcomposer/hwc_utils.cpp
+++ b/libhwcomposer/hwc_utils.cpp
@@ -19,6 +19,7 @@
  */
 #define HWC_UTILS_DEBUG 0
 #include <sys/ioctl.h>
+#include <linux/fb.h>
 #include <binder/IServiceManager.h>
 #include <EGL/egl.h>
 #include <cutils/properties.h>