Avoid MSVC compiler warning about C++ exceptions being used

The exact warning reads:

	C++ exception handler used, but unwind semantics are not
	enabled.

Signed-off-by: Johannes Schindelin <[email protected]>

Author: dscho

CMakeLists.txt

@@ -37,7 +37,7 @@ if (NOT "${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
     set(CMAKE_CXX_FLAGS "-Wall -Wparentheses -Winline -Wbad-function-cast -Wdisabled-optimization -Wextra")
 else()
     message(STATUS "MSVC compiler in use")
-    set(CMAKE_CXX_FLAGS "/Wall /W4")
+    set(CMAKE_CXX_FLAGS "/Wall /W4 /EHsc")
 endif()
 
 add_compile_definitions(NAPI_CPP_EXCEPTIONS)