(FT_Stream_Open): Check errno only if read system call returns -1.

Remove a redundant parenthesis.

ChangeLog

@@ -1,3 +1,9 @@
+2006-05-11  Masatake YAMATO  <jet@gyve.org>
+ 
+	* builds/unix/ftsystem.c (FT_Stream_Open): Check errno only if 
+	read system call returns -1.
+	Remove a redundant parenthesis.
+
 2006-05-10  Werner Lemberg  <wl@gnu.org>
 
 	* builds/unix/ftsystem.c (FT_Stream_Open): Avoid infinite loop if

builds/unix/ftsystem.c

@@ -303,9 +303,9 @@
                            stream->base + total_read_count,
                            stream->size - total_read_count );
 
-        if ( ( read_count <= 0 ) )
+        if ( read_count <= 0 )
         {
-          if ( errno == EINTR )
+          if ( read_count == -1 && errno == EINTR )
             continue;
 
           FT_ERROR(( "FT_Stream_Open:" ));