* src/truetype/ttgload.c (TT_Load_Simple_Glyph): Minor.

This fixes an AddressSanitizer issue:

  ttgload.c:430:7: runtime error: null pointer passed as argument 1,
                   which is declared to never be null

ChangeLog

@@ -1,3 +1,12 @@
+2016-03-22  Werner Lemberg  <wl@gnu.org>
+
+	* src/truetype/ttgload.c (TT_Load_Simple_Glyph): Minor.
+
+	This fixes an AddressSanitizer issue:
+
+	  ttgload.c:430:7: runtime error: null pointer passed as argument 1,
+	                   which is declared to never be null
+
 2016-03-21  Werner Lemberg  <wl@gnu.org>
 
 	* src/autofit/afhints.c (af_glyph_hints_reload): Thinko.

src/truetype/ttgload.c

@@ -427,7 +427,8 @@
       load->glyph->control_len  = n_ins;
       load->glyph->control_data = load->exec->glyphIns;
 
-      FT_MEM_COPY( load->exec->glyphIns, p, (FT_Long)n_ins );
+      if ( n_ins )
+        FT_MEM_COPY( load->exec->glyphIns, p, (FT_Long)n_ins );
     }
 
 #endif /* TT_USE_BYTECODE_INTERPRETER */