build(c): fix typo in static build causing error

[m-kuhn]

CMake Warning (dev) at cmake_modules/AdbcDefines.cmake:21 (enable_language):
  project() should be called prior to this enable_language() call.
Call Stack (most recent call first):
  CMakeLists.txt:21 (include)
This warning is for project developers.  Use -Wno-dev to suppress it.

-- {fmt} version: 10.2.2
-- Build type: Release
CMake Error at cmake_modules/BuildUtils.cmake:313 (set_property):
  set_property could not find TARGET adbc_driver_manager_shared.  Perhaps it
  has not yet been created.
Call Stack (most recent call first):
  driver_manager/CMakeLists.txt:18 (add_arrow_lib)


CMake Error at cmake_modules/BuildUtils.cmake:313 (set_property):
  set_property could not find TARGET adbc_driver_postgresql_shared.  Perhaps
  it has not yet been created.
Call Stack (most recent call first):
  driver/postgresql/CMakeLists.txt:29 (add_arrow_lib)


CMake Error at cmake_modules/BuildUtils.cmake:313 (set_property):
  set_property could not find TARGET adbc_driver_sqlite_shared.  Perhaps it
  has not yet been created.
Call Stack (most recent call first):
  driver/sqlite/CMakeLists.txt:39 (add_arrow_lib)

[lidavidm]

Thanks!

[kou]

+1