* xdisp.c (Fcurrent_bidi_paragraph_direction): Simplify slightly; this

avoids a gcc -Wuninitialized diagnostic.

src/ChangeLog

@@ -2,6 +2,8 @@
 	* xdisp.c (produce_glyphless_glyph): Initialize lower_xoff.
 	Add a FIXME comment, since the code still doesn't look right.
+	(Fcurrent_bidi_paragraph_direction): Simplify slightly; this
+	avoids a gcc -Wuninitialized diagnostic.
 	current_column: Now returns EMACS_INT, fixing some iftc.
 	* bytecode.c (Fbyte_code): Don't cast current_column () to int.

src/xdisp.c

@@ -17912,16 +17912,13 @@ paragraphs, text begins at the right margin and is read from right to left.
 See also `bidi-paragraph-direction'.  */)
   (Lisp_Object buffer)
 {
-  struct buffer *buf;
-  struct buffer *old;
-  if (NILP (buffer))
-    buf = current_buffer;
-  else
+  struct buffer *buf = current_buffer;
+  struct buffer *old = buf;
+  if (! NILP (buffer))
     {
       CHECK_BUFFER (buffer);
       buf = XBUFFER (buffer);
-      old = current_buffer;
     }
   if (NILP (BVAR (buf, bidi_display_reordering)))
@@ -17938,8 +17935,7 @@ See also `bidi-paragraph-direction'.  */)
       EMACS_INT bytepos = BUF_PT_BYTE (buf);
       int c;
-      if (buf != current_buffer)
-	set_buffer_temp (buf);
+      set_buffer_temp (buf);
       /* bidi_paragraph_init finds the base direction of the paragraph
 	 by searching forward from paragraph start.  We need the base
 	 direction of the current or _previous_ paragraph, so we need
@@ -17967,8 +17963,7 @@ See also `bidi-paragraph-direction'.  */)
       itb.paragraph_dir = NEUTRAL_DIR;
       bidi_paragraph_init (NEUTRAL_DIR, &itb, 1);
-      if (buf != current_buffer)
-	set_buffer_temp (old);
+      set_buffer_temp (old);
       switch (itb.paragraph_dir)
 	{
 	case L2R: