patch 8.0.1050: terminal window feature not included by default

Problem:    Terminal window feature not included by default.
Solution:   Include the terminal feature for the "huge" build.
diff --git a/src/auto/configure b/src/auto/configure
index df4c962..7e46662 100755
--- a/src/auto/configure
+++ b/src/auto/configure
@@ -7473,20 +7473,34 @@
 # Check whether --enable-terminal was given.
 if test "${enable_terminal+set}" = set; then :
   enableval=$enable_terminal; enable_terminal="yes"
+else
+  enable_terminal="auto"
 fi
 
-if test "$enable_terminal" = "yes"; then
+if test "$enable_terminal" = "yes" || test "$enable_terminal" = "auto" -a "x$features" = "xhuge" ; then
   if test "x$features" = "xtiny" -o "x$features" = "xsmall"; then
     { $as_echo "$as_me:${as_lineno-$LINENO}: result: cannot use terminal emulator with tiny or small features" >&5
 $as_echo "cannot use terminal emulator with tiny or small features" >&6; }
     enable_terminal="no"
   else
-    { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+    if test "$enable_terminal" = "auto"; then
+      enable_terminal="yes"
+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: defaulting to yes" >&5
+$as_echo "defaulting to yes" >&6; }
+    else
+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
+    fi
   fi
 else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+  if test "$enable_terminal" = "auto"; then
+    enable_terminal="no"
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: defaulting to no" >&5
+$as_echo "defaulting to no" >&6; }
+  else
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
+  fi
 fi
 if test "$enable_terminal" = "yes"; then
   $as_echo "#define FEAT_TERMINAL 1" >>confdefs.h