Same thing for EIGEN3_INCLUDE_DIR
Same thing for EIGEN3_INCLUDE_DIR

Former-commit-id: 3b19a00aa692ca8bb6dd457c35d886c10a8f8276
shuheik/dynet,clab/dynet,xunzhang/dynet,shuheik/dynet,clab/dynet,chunyang-wen/dynet,shuheik/dynet,clab/cnn,chunyang-wen/dynet,clab/dynet,xunzhang/dynet,chunyang-wen/dynet,shuheik/dynet,danielhers/dynet,clab/dynet,danielhers/dynet,danielhers/dynet,danielhers/dynet,xunzhang/dynet,xunzhang/dynet,danielhers/dynet,shuheik/dynet,clab/dynet,clab/dynet,danielhers/dynet,clab/cnn,danielhers/dynet,clab/cnn,shuheik/dynet,clab/dynet,chunyang-wen/dynet,shuheik/dynet