fix

Author: titaiwangms

cmake/external/abseil-cpp.cmake

@@ -24,7 +24,7 @@ if(Patch_FOUND AND WIN32)
   set(ABSL_PATCH_COMMAND ${Patch_EXECUTABLE} --binary --ignore-whitespace -p1 < ${PROJECT_SOURCE_DIR}/patches/abseil/absl_windows.patch &&
                          ${Patch_EXECUTABLE} --binary --ignore-whitespace -p1 < ${PROJECT_SOURCE_DIR}/patches/abseil/absl_cuda_warnings.patch)
 else()
-  set(ABSL_PATCH_COMMAND "")
+  set(ABSL_PATCH_COMMAND ${Patch_EXECUTABLE} --binary --ignore-whitespace -p1 < ${PROJECT_SOURCE_DIR}/patches/abseil/absl_cuda_warnings.patch)
 endif()
 
 # NB! Advancing Abseil version changes its internal namespace,