Fix compilation error for win32.

That static align trick i've wrote about is still necessary.

intern/itasc/CMakeLists.txt

@@ -318,4 +318,8 @@ set(SRC
 	../../extern/Eigen3/Eigen/src/Cholesky/LLT.h
 )
 
+if(WIN32)
+	add_definitions(-DEIGEN_DONT_ALIGN_STATICALLY)
+endif()
+
 blender_add_lib(bf_intern_itasc "${SRC}" "${INC}" "${INC_SYS}")

intern/itasc/SConscript

@@ -9,5 +9,8 @@ incs = '. ../../extern/Eigen3'
 
 defs = []
 
+if env['PLATFORM'] == 'win32':
+    defs.append('EIGEN_DONT_ALIGN_STATICALLY')
+
 env.BlenderLib ('bf_intern_itasc', sources, Split(incs), defs, libtype=['intern','player'], priority=[20,100] )