CMake build fixes

cmake/LargeFiles64.c

@@ -10,7 +10,7 @@
 int main(int argc, const char **argv)
 {
 	int a[(LARGE_OFF_T % 2147483629 == 721 && LARGE_OFF_T % 2147483647 == 1) ? VALID_ARRAY_LENGTH : INVALID_ARRAY_LENGTH];
-	off_t offset = ftello64(NULL);
+	off64_t offset = ftello64(NULL);
 	fseeko64(NULL, offset, SEEK_SET);
 	return 0;
 }

heimdall/CMakeLists.txt

@@ -85,4 +85,6 @@ target_link_libraries(heimdall PRIVATE pit)
 LINK_DIRECTORIES(../libusb-1.0/lib/mingw)
 if(WIN32)
     target_link_libraries(heimdall PRIVATE ${CMAKE_SOURCE_DIR}/libusb-1.0/lib/mingw/libusb-1.0.a)
+else(WIN32)
+    target_link_libraries(heimdalll PRIVATE usb-1.0)
 endif(WIN32)