Merge branch 'github/grid_map/255' into 'master'

Import PR 'Install .h header files'.

GitOrigin-RevId: 320cd49524ca60367955ed6d210f342d8ae29487

Author: maximilianwulf

grid_map_sdf/CMakeLists.txt

@@ -68,7 +68,9 @@ install(
 install(
   DIRECTORY include/${PROJECT_NAME}/
   DESTINATION ${CATKIN_PACKAGE_INCLUDE_DESTINATION}
-  FILES_MATCHING PATTERN "*.hpp"
+  FILES_MATCHING 
+    PATTERN "*.hpp"
+    PATTERN "*.h"
 )
 
 #############
@@ -114,4 +116,4 @@ if(cmake_clang_tools_FOUND)
   add_default_clang_tooling(
     DISABLE_CLANG_FORMAT
   )
-endif(cmake_clang_tools_FOUND)
+endif(cmake_clang_tools_FOUND)