Adding -lgfortran for Windows MinGW configuration in gitlab-ci.

.gitlab-ci.yml

@@ -135,7 +135,7 @@ configure_windows:
    - git clone https://github.com/lefebvre/googletest googletest
    - mkdir build
    - cd build
-   - cmake -DTPL_LAPACK_LIBRARIES=c:/vendors/mingw-w64/lapack/3.6.1/lib/liblapack.a\\\;c:/vendors/mingw-w64/lapack/3.6.1/lib/libblas.a -DBUILDNAME=Windows-MinGW-GCC-4.8.5-Debug -DCMAKE_BUILD_TYPE=DEBUG -Dradix_ENABLE_COVERAGE_TESTING=ON -Dradix_ENABLE_TESTS=ON -Dradix_ENABLE_ams=ON -Dradix_ENABLE_radixio=ON -Dradix_ENABLE_radixmath=ON -Dradix_ENABLE_radixpara=ON -Dradix_ENABLE_radixgeometry=ON -Dradix_ENABLE_radixglls=ON -Dradix_ENABLE_googletest=ON -G "MinGW Makefiles" ..
+   - cmake -DTPL_LAPACK_LIBRARIES=c:/vendors/mingw-w64/lapack/3.6.1/lib/liblapack.a\\\;c:/vendors/mingw-w64/lapack/3.6.1/lib/libblas.a\\\;-lgfortran -DBUILDNAME=Windows-MinGW-GCC-4.8.5-Debug -DCMAKE_BUILD_TYPE=DEBUG -Dradix_ENABLE_COVERAGE_TESTING=ON -Dradix_ENABLE_TESTS=ON -Dradix_ENABLE_ams=ON -Dradix_ENABLE_radixio=ON -Dradix_ENABLE_radixmath=ON -Dradix_ENABLE_radixpara=ON -Dradix_ENABLE_radixgeometry=ON -Dradix_ENABLE_radixglls=ON -Dradix_ENABLE_googletest=ON -G "MinGW Makefiles" ..
 
 build_windows:
   stage: build