Kernel 3.10 also appears to not have the store_gdt call either

The current #ifdef says for 3.11 and above but 3.10 also does not
appear to have the store_gdt call. This fixes a build issue on CentOS
7 which includes the 3.10 kernel.

Author: loganbruns

driver/intr.c

@@ -48,7 +48,7 @@
 #define store_idt(ptr) asm volatile("sidt %0":"=m" (*ptr))
 #endif
 
-#if !defined(store_gdt) && LINUX_VERSION_CODE >= KERNEL_VERSION(3, 11, 0)
+#if !defined(store_gdt) && LINUX_VERSION_CODE >= KERNEL_VERSION(3, 10, 0)
 	/***********************************************/
 	/*   Xen  removed  this - oh, so nice of you.  */
 	/*   Not! We want the GDT to debug dtrace, so  */