message: Added C header to amalgamation build
diff: @@ -35,7 +35,10 @@ if(AMALGAMATION_BUILD)
  link_threads(duckdb_static)
  install(FILES "${PROJECT_SOURCE_DIR}/src/amalgamation/duckdb.hpp"
  + "${PROJECT_SOURCE_DIR}/src/include/duckdb.h"
  DESTINATION "${INSTALL_INCLUDE_DIR}")
  + install(FILES "${PROJECT_SOURCE_DIR}/src/include/duckdb/common/winapi.hpp"
  + DESTINATION "${INSTALL_INCLUDE_DIR}/duckdb/common")
  else()
  