Update .travis.yml for MacVim

Add dll version checks

Author: splhack

.travis.yml

@@ -27,7 +27,10 @@ before_install:
 
 script:
   - NPROC=$(getconf _NPROCESSORS_ONLN)
-  - ./configure $CONFOPT --enable-fail-if-missing && make -j$NPROC
+  - ./configure $CONFOPT --enable-fail-if-missing
+  - grep -q -- "-DDYNAMIC_PERL_DLL=\\\\\"$vi_cv_dll_name_perl\\\\\"" src/auto/config.mk
+  - grep -q -- "-DDYNAMIC_PYTHON3_DLL=\\\\\"$vi_cv_dll_name_python3\\\\\"" src/auto/config.mk
+  - make -j$NPROC
   - cat src/auto/config.mk
   - ./src/vim --version
   - make test