Merge branch 'fix/cmake_esp_hal_jpeg' into 'master'

fix(esp_hal_jpeg): initialize the includes variable

See merge request espressif/esp-idf!43176

components/esp_hal_jpeg/CMakeLists.txt

@@ -3,6 +3,8 @@ if(${target} STREQUAL "linux")
     return() # This component is not supported by the POSIX/Linux simulator
 endif()
 
+set(includes)
+
 if(EXISTS "${CMAKE_CURRENT_LIST_DIR}/${target}/include")
     list(APPEND includes "${target}/include")
 endif()