src/sfnt/ttkern.c (tt_face_load_kern): Micro-optimize.

A kerning table can be handled by binary search if it has equal entries.

Fixes #1132.

src/sfnt/ttkern.c

@@ -94,7 +94,7 @@
 
       p_next = p;
 
-      p += 2; /* skip version */
+      p       += 2; /* skip version */
       length   = FT_NEXT_USHORT( p );
       coverage = FT_NEXT_USHORT( p );
 
@@ -144,7 +144,7 @@
 
 
           cur_pair = FT_NEXT_ULONG( p );
-          if ( cur_pair <= old_pair )
+          if ( cur_pair < old_pair )
             break;
 
           p += 2;
@@ -187,8 +187,9 @@
                        FT_UInt  left_glyph,
                        FT_UInt  right_glyph )
   {
-    FT_Int    result = 0;
-    FT_UInt   count, mask;
+    FT_Int   result = 0;
+    FT_UInt  count, mask;
+
     FT_Byte*  p       = face->kern_table;
     FT_Byte*  p_limit = p + face->kern_table_size;