Fix condition to fork subshell

Resolves: #1462347

ksh-20120801-subshell-jobwait.patch

@@ -0,0 +1,14 @@
+diff --git a/src/cmd/ksh93/sh/xec.c b/src/cmd/ksh93/sh/xec.c
+--- a/src/cmd/ksh93/sh/xec.c
++++ b/src/cmd/ksh93/sh/xec.c
+@@ -1647,8 +1647,9 @@ int sh_exec(register const Shnode_t *t, int flags)
+ 					{
+ 						if (!unpipe)
+ 							unpipe = iousepipe(shp);
+-						sh_subfork();
+ 					}
++
++					sh_subfork();
+ 				}
+ 			}
+ 			no_fork = !ntflag && !(type&(FAMP|FPOU)) && !shp->subshell &&

ksh.spec

@@ -8,7 +8,7 @@ URL:          http://www.kornshell.com/
 #CPL everywhere else (for KSH itself)
 License:      CPL
 Version:      %{releasedate}
-Release:      39%{?dist}
+Release:      40%{?dist}
 Source0:      http://www.research.att.com/~gsf/download/tgz/ast-ksh.%{release_date}.tgz
 Source1:      http://www.research.att.com/~gsf/download/tgz/INIT.%{release_date}.tgz
 Source2:      kshcomp.conf
@@ -193,6 +193,9 @@ Patch79: ksh-20120801-glibc-build-fix.patch
 # rhbz#1459000
 Patch80: ksh-20120801-jobwait-sigstop.patch
 
+# rhbz#1462347
+Patch81: ksh-20120801-subshell-jobwait.patch
+
 Conflicts:    pdksh
 Requires: coreutils, diffutils, chkconfig
 BuildRequires: bison
@@ -316,6 +319,10 @@ fi
 %config(noreplace) %{_sysconfdir}/binfmt.d/kshcomp.conf
 
 %changelog
+* Mon Aug 14 2017 Siteshwar Vashisht <svashisht@redhat.com> - 20120801-40
+- Fix condition to fork subshell
+  Resolves: #1462347
+
 * Mon Aug 14 2017 Siteshwar Vashisht <svashisht@redhat.com> - 20120801-39
 - Set terminal foreground process group while resuming process
   Resolves: #1459000