Copy Kernel Logs

Give user option to copy kernel logs to current storage

Change-Id: I0c61122fb34826ddb08977e6cbf98e3adf477acd
diff --git a/twrp-functions.hpp b/twrp-functions.hpp
index 550c946..ebbe99d 100644
--- a/twrp-functions.hpp
+++ b/twrp-functions.hpp
@@ -94,6 +94,7 @@
 	static void SetPerformanceMode(bool mode); // support recovery.perf.mode
 	static void Disable_Stock_Recovery_Replace(); // Disable stock ROMs from replacing TWRP with stock recovery
 	static unsigned long long IOCTL_Get_Block_Size(const char* block_device);
+	static void copy_kernel_log(string curr_storage); // Copy Kernel Log to Current Storage (PSTORE/KMSG)
 	static void Copy_Log(string Source, string Destination);