patch 8.2.4549: cannot build with Motif and editres

Problem:    Cannot build with Motif and editres. (Tony Mechelynck)
Solution:   Fix configure mistake.
diff --git a/src/auto/configure b/src/auto/configure
index e603a46..a5497d8 100755
--- a/src/auto/configure
+++ b/src/auto/configure
@@ -10254,7 +10254,7 @@
 
 fi
 
-if -z "$SKIP_MOTIF"; then
+if test -z "$SKIP_MOTIF"; then
       if test -n "$GUI_INC_LOC"; then
     GUI_INC_LOC=-I"`echo $GUI_INC_LOC|sed 's%-I%%'`"
   fi
diff --git a/src/configure.ac b/src/configure.ac
index ff4a490..1426e74 100644
--- a/src/configure.ac
+++ b/src/configure.ac
@@ -3004,7 +3004,7 @@
   AC_SUBST(MOTIF_LIBNAME)
 fi
 
-if -z "$SKIP_MOTIF"; then
+if test -z "$SKIP_MOTIF"; then
   dnl Prepend -I and -L to $GUI_INC_LOC and $GUI_LIB_LOC if not empty
   dnl Avoid adding it when it twice
   if test -n "$GUI_INC_LOC"; then
diff --git a/src/version.c b/src/version.c
index 2efc6bf..7861799 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4549,
+/**/
     4548,
 /**/
     4547,