Point to Mmg commit in which MMG5_OLD_PARBDY tags are ignored when ch…

…ecking mesh edge consistency.

CMakeLists.txt

@@ -252,7 +252,7 @@ IF ( DOWNLOAD_MMG )
 
  EXTERNALPROJECT_ADD ( Mmg
  GIT_REPOSITORY https://github.com/MmgTools/mmg.git
- GIT_TAG 2263f92c
+ GIT_TAG 7c75282c
  INSTALL_COMMAND ${CMAKE_MAKE_PROGRAM} install
  CMAKE_ARGS ${MMG_ARGS} -DUSE_ELAS=OFF ${COMPILER_CFG} ${FLAGS_CFG}
  ${SCOTCH_CFG} ${VTK_CFG} -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}