Include proto headers in wpimathproto library

Author: KangarooKoala

wpimath/CMakeLists.txt

@@ -203,7 +203,7 @@ file(GLOB_RECURSE wpimath_native_src src/main/native/cpp/*.cpp)
 list(REMOVE_ITEM wpimath_native_src ${wpimath_jni_src})
 
 set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS TRUE)
-add_library(wpimathproto ${WPIMATH_PROTO_SRCS})
+add_library(wpimathproto ${WPIMATH_PROTO_SRCS} ${WPIMATH_PROTO_HDRS})
 set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS FALSE)
 add_library(wpimath ${wpimath_native_src})
 set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS TRUE)