bash: Import upstream patches

Source:
https://ftp.gnu.org/gnu/bash/bash-5.0-patches/
(bash50-003 to bash50-017)

Signed-off-by: Jeffery To <jeffery.to@gmail.com>

utils/bash/patches/106-bash50-006.patch

@@ -0,0 +1,47 @@
+			     BASH PATCH REPORT
+			     =================
+
+Bash-Release:	5.0
+Patch-ID:	bash50-006
+
+Bug-Reported-by:	Tomas Mozes <hydrapolic@gmail.com>
+Bug-Reference-ID:	<CAG6MAzQumLU2vhnmr1UrYAUQAFW5Yo8hfM_sEibX9RJQWJkRrA@mail.gmail.com>
+Bug-Reference-URL:	http://lists.gnu.org/archive/html/bug-bash/2019-03/msg00037.html
+
+Bug-Description:
+
+Bash-5.0 did not build successfully if SYSLOG_HISTORY was defined without
+also defining SYSLOG_SHOPT.
+
+Patch (apply with `patch -p0'):
+
+*** a/builtins/shopt.def	2018-10-05 14:49:02.000000000 -0400
+--- b/builtins/shopt.def	2019-01-23 09:55:22.000000000 -0500
+***************
+*** 123,127 ****
+  #endif
+  
+! #if defined (SYSLOG_HISTORY) && defined (SYSLOG_SHOPT)
+  extern int syslog_history;
+  #endif
+--- 123,127 ----
+  #endif
+  
+! #if defined (SYSLOG_HISTORY)
+  extern int syslog_history;
+  #endif
+*** a/patchlevel.h	2016-06-22 14:51:03.000000000 -0400
+--- b/patchlevel.h	2016-10-01 11:01:28.000000000 -0400
+***************
+*** 26,30 ****
+     looks for to find the patch level (for the sccs version string). */
+  
+! #define PATCHLEVEL 5
+  
+  #endif /* _PATCHLEVEL_H_ */
+--- 26,30 ----
+     looks for to find the patch level (for the sccs version string). */
+  
+! #define PATCHLEVEL 6
+  
+  #endif /* _PATCHLEVEL_H_ */