tools/libtool: update to 2.4.2

Refresh patches.
Remove upstreamed: 001-fix-func_append.patch

Signed-off-by: Ivan Pavlov <AuthorReflex@gmail.com>

tools/libtool/patches/110-dont-use-target-dir-for-relinking.patch

@@ -1,6 +1,6 @@
 --- a/libltdl/config/ltmain.m4sh
 +++ b/libltdl/config/ltmain.m4sh
-@@ -6104,7 +6104,6 @@ func_mode_link ()
+@@ -6120,7 +6120,6 @@ func_mode_link ()
  	       test "$hardcode_direct_absolute" = no; then
  	      add="$libdir/$linklib"
  	    elif test "$hardcode_minus_L" = yes; then
@@ -10,7 +10,7 @@
  	      case :$finalize_shlibpath: in
 --- a/libltdl/config/ltmain.sh
 +++ b/libltdl/config/ltmain.sh
-@@ -6893,7 +6893,6 @@ func_mode_link ()
+@@ -6907,7 +6907,6 @@ func_mode_link ()
  	       test "$hardcode_direct_absolute" = no; then
  	      add="$libdir/$linklib"
  	    elif test "$hardcode_minus_L" = yes; then