fix libusb-1.0 discovery

cmake/Modules/FindLibUSB.cmake

@@ -1,6 +1,7 @@
 if(NOT LIBUSB_FOUND)
   pkg_check_modules (LIBUSB_PKG libusb-1.0)
-  find_path(LIBUSB_INCLUDE_DIR NAMES libusb.h
+  find_path(LIBUSB_INCLUDE_DIR
+    NAMES libusb-1.0/libusb.h
     PATHS
     ${LIBUSB_PKG_INCLUDE_DIRS}
     /usr/include/libusb-1.0
@@ -8,7 +9,8 @@ if(NOT LIBUSB_FOUND)
     /usr/local/include
   )
 
-  find_library(LIBUSB_LIBRARIES NAMES usb-1.0
+  find_library(LIBUSB_LIBRARIES
+    NAMES usb-1.0
     PATHS
     ${LIBUSB_PKG_LIBRARY_DIRS}
     /usr/lib

fcdhid/CMakeLists.txt

@@ -16,6 +16,7 @@ set(fcdhid_HEADERS
 include_directories(
 	.
 	${CMAKE_CURRENT_BINARY_DIR}
+        ${LIBUSB_INCLUDE_DIR}
 )
 
 #add_definitions(-DQT_PLUGIN)
@@ -27,7 +28,7 @@ add_library(fcdhid SHARED
 
 target_link_libraries(fcdhid
 	${LIBUSB_LIBRARIES}
-    ${ICONV_LIBRARY}
+        ${ICONV_LIBRARY}
 )
 
 install(TARGETS fcdhid DESTINATION lib)