patch 9.0.1162: configure does not handle all FORTIFY_SOURCE variants

Problem:    Configure does not handle all FORTIFY_SOURCE variants.
Solution:   Also handle Fedora's default FORTIFY_SOURCE flags. (Zdenek Dohnal,
            closes #11794)
diff --git a/src/auto/configure b/src/auto/configure
index 44d83c2..3223be4 100755
--- a/src/auto/configure
+++ b/src/auto/configure
@@ -15054,8 +15054,8 @@
           { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we need -D_FORTIFY_SOURCE=1" >&5
 $as_echo_n "checking whether we need -D_FORTIFY_SOURCE=1... " >&6; }
   if test "$gccmajor" -gt "3"; then
-    CFLAGS=`echo "$CFLAGS" | sed -e 's/-D_FORTIFY_SOURCE=.,//g' -e 's/ *-Wp,-D_FORTIFY_SOURCE=. / /g' -e 's/,-D_FORTIFY_SOURCE=. //g' -e 's/ *-D_FORTIFY_SOURCE=.//g' -e 's/ *-U_FORTIFY_SOURCE//g' -e 's/$/ -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1/'`
-    CPPFLAGS=`echo "$CPPFLAGS" | sed -e 's/-D_FORTIFY_SOURCE=.,//g' -e 's/ *-Wp,-D_FORTIFY_SOURCE=. / /g' -e 's/,-D_FORTIFY_SOURCE=. //g' -e 's/ *-D_FORTIFY_SOURCE=.//g' -e 's/ *-U_FORTIFY_SOURCE//g'`
+    CFLAGS=`echo "$CFLAGS" | sed -e 's/-D_FORTIFY_SOURCE=.,//g' -e 's/ *-Wp,-D_FORTIFY_SOURCE=. / /g' -e 's/,-D_FORTIFY_SOURCE=. //g' -e 's/ *-D_FORTIFY_SOURCE=.//g' -e 's/ *-Wp,-U_FORTIFY_SOURCE//g' -e 's/ *-U_FORTIFY_SOURCE//g' -e 's/$/ -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1/'`
+    CPPFLAGS=`echo "$CPPFLAGS" | sed -e 's/-D_FORTIFY_SOURCE=.,//g' -e 's/ *-Wp,-D_FORTIFY_SOURCE=. / /g' -e 's/,-D_FORTIFY_SOURCE=. //g' -e 's/ *-D_FORTIFY_SOURCE=.//g' -e 's/ *-Wp,-U_FORTIFY_SOURCE//g' -e 's/ *-U_FORTIFY_SOURCE//g'`
     { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
   else
diff --git a/src/configure.ac b/src/configure.ac
index fc346dc..93fbc32 100644
--- a/src/configure.ac
+++ b/src/configure.ac
@@ -4588,8 +4588,8 @@
   dnl And undefine it first to avoid a warning.
   AC_MSG_CHECKING(whether we need -D_FORTIFY_SOURCE=1)
   if test "$gccmajor" -gt "3"; then
-    CFLAGS=`echo "$CFLAGS" | sed -e 's/-D_FORTIFY_SOURCE=.,//g' -e 's/ *-Wp,-D_FORTIFY_SOURCE=. / /g' -e 's/,-D_FORTIFY_SOURCE=. //g' -e 's/ *-D_FORTIFY_SOURCE=.//g' -e 's/ *-U_FORTIFY_SOURCE//g' -e 's/$/ -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1/'`
-    CPPFLAGS=`echo "$CPPFLAGS" | sed -e 's/-D_FORTIFY_SOURCE=.,//g' -e 's/ *-Wp,-D_FORTIFY_SOURCE=. / /g' -e 's/,-D_FORTIFY_SOURCE=. //g' -e 's/ *-D_FORTIFY_SOURCE=.//g' -e 's/ *-U_FORTIFY_SOURCE//g'`
+    CFLAGS=`echo "$CFLAGS" | sed -e 's/-D_FORTIFY_SOURCE=.,//g' -e 's/ *-Wp,-D_FORTIFY_SOURCE=. / /g' -e 's/,-D_FORTIFY_SOURCE=. //g' -e 's/ *-D_FORTIFY_SOURCE=.//g' -e 's/ *-Wp,-U_FORTIFY_SOURCE//g' -e 's/ *-U_FORTIFY_SOURCE//g' -e 's/$/ -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1/'`
+    CPPFLAGS=`echo "$CPPFLAGS" | sed -e 's/-D_FORTIFY_SOURCE=.,//g' -e 's/ *-Wp,-D_FORTIFY_SOURCE=. / /g' -e 's/,-D_FORTIFY_SOURCE=. //g' -e 's/ *-D_FORTIFY_SOURCE=.//g' -e 's/ *-Wp,-U_FORTIFY_SOURCE//g' -e 's/ *-U_FORTIFY_SOURCE//g'`
     AC_MSG_RESULT(yes)
   else
     AC_MSG_RESULT(no)
diff --git a/src/version.c b/src/version.c
index d53f809..ab9c91c 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1162,
+/**/
     1161,
 /**/
     1160,