[cmake,handbook] Adjust file name from handbook in install statement.

The resulting PDF doc is named 0_dumux-handbook.pdf. The new name
disturbed the install statement. Still we have to think about the file
name of the handbook.


git-svn-id: svn://svn.iws.uni-stuttgart.de/DUMUX/dumux/trunk@15481 2fb0f335-1f38-0410-981e-8018bf24f1b0

doc/handbook/CMakeLists.txt

@@ -46,5 +46,5 @@ dune_add_latex_document(0_dumux-handbook.tex
   INPUTS ${TEX_INPUTS}
   IMAGES ${TEX_IMAGES})
 
-create_doc_install(${CMAKE_CURRENT_BINARY_DIR}/dumux-handbook.pdf
+create_doc_install(${CMAKE_CURRENT_BINARY_DIR}/0_dumux-handbook.pdf
   ${CMAKE_INSTALL_DOCDIR})