Fix STR#3063: compilation using Mac OS 10.4

git-svn-id: http://seriss.com/public/fltk/fltk/branches/branch-1.3@10127 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
Fix STR#3063: compilation using Mac OS 10.4 (cont'd).

git-svn-id: http://seriss.com/public/fltk/fltk/branches/branch-1.3@10128 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
Fix STR#3063: compilation using Mac OS 10.4 (cont'd).

git-svn-id: http://seriss.com/public/fltk/fltk/branches/branch-1.3@10129 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
To fix "MACOSX issue while building latest SVN 1.3.2" from fltk.general

git-svn-id: http://seriss.com/public/fltk/fltk/branches/branch-1.3@10130 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
To fix "MACOSX issue while building latest SVN 1.3.2" from fltk.general (cont'd).

git-svn-id: http://seriss.com/public/fltk/fltk/branches/branch-1.3@10131 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
To fix "C++11 related issues" from fltk.coredev.

git-svn-id: http://seriss.com/public/fltk/fltk/branches/branch-1.3@10132 ea41ed52-d2ee-0310-a9c1-e6b18d33e121