package/bash: bump version to 5.1

- removed 0001-bash50-001.patch to 0018-bash50-018.patch

- added 0001-bash51-001.patch, 0002-bash51-002.patch, 0003-bash51-003.patch,
  0004-bash51-004.patch

- moved 0019-input.h-add-missing-include-on-stdio.h.patch to
  0005-input.h-add-missing-include-on-stdio.h.patch

- removed 0020-locale.c-fix-build-without-wchar.patch
  (superseded by upstream commit)

- added 0006-locale-fix-typo-local_shiftstates-vs.-locale_shiftst.patch
  to fix typo from upstream commit (see previous patch)

- added 0007-glob-fix-dequote_pathname-vs.-udequote_pathname.patch

Signed-off-by: Peter Seiderer <ps.report@gmx.net>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/bash/0003-bash51-003.patch

@@ -0,0 +1,56 @@
+[From http://mirror.keystealth.org/gnu/bash/bash-5.1-patches/bash51-003]
+Signed-off-by: Peter Seiderer <ps.report@gmx.net>
+
+			     BASH PATCH REPORT
+			     =================
+
+Bash-Release:	5.1
+Patch-ID:	bash51-003
+
+Bug-Reported-by:	oguzismailuysal@gmail.com
+Bug-Reference-ID:	<CAH7i3LpG91BnNcDtaTUm2Ph7a+PnJkuh6nAc87cVL7_38tOaMQ@mail.gmail.com>
+Bug-Reference-URL:	https://lists.gnu.org/archive/html/bug-bash/2020-12/msg00050.html
+
+Bug-Description:
+
+Bash does not put a command substitution process that is started to perform an
+expansion in a child process into the right process group where it can receive
+keyboard-generated signals.
+
+Patch (apply with `patch -p0'):
+
+*** ../bash-5.1-patched/subst.c	2020-11-16 10:33:15.000000000 -0500
+--- b/subst.c	2020-12-12 13:50:11.000000000 -0500
+***************
+*** 6357,6362 ****
+  #if defined (JOB_CONTROL)
+    old_pipeline_pgrp = pipeline_pgrp;
+!   /* Don't reset the pipeline pgrp if we're already a subshell in a pipeline. */
+!   if ((subshell_environment & SUBSHELL_PIPE) == 0)
+      pipeline_pgrp = shell_pgrp;
+    cleanup_the_pipeline ();
+--- 6357,6364 ----
+  #if defined (JOB_CONTROL)
+    old_pipeline_pgrp = pipeline_pgrp;
+!   /* Don't reset the pipeline pgrp if we're already a subshell in a pipeline or
+!      we've already forked to run a disk command (and are expanding redirections,
+!      for example). */
+!   if ((subshell_environment & (SUBSHELL_FORK|SUBSHELL_PIPE)) == 0)
+      pipeline_pgrp = shell_pgrp;
+    cleanup_the_pipeline ();
+
+*** ../bash-5.1/patchlevel.h	2020-06-22 14:51:03.000000000 -0400
+--- b/patchlevel.h	2020-10-01 11:01:28.000000000 -0400
+***************
+*** 26,30 ****
+     looks for to find the patch level (for the sccs version string). */
+  
+! #define PATCHLEVEL 2
+  
+  #endif /* _PATCHLEVEL_H_ */
+--- 26,30 ----
+     looks for to find the patch level (for the sccs version string). */
+  
+! #define PATCHLEVEL 3
+  
+  #endif /* _PATCHLEVEL_H_ */