Replace create_from_file with empty blob if HB_NO_OPEN is defined

src/main.cc

@@ -38,6 +38,10 @@
 
 using namespace OT;
 
+#ifdef HB_NO_OPEN
+#define hb_blob_create_from_file(x)  hb_blob_get_empty ()
+#endif
+
 int
 main (int argc, char **argv)
 {

src/test-buffer-serialize.cc

@@ -34,6 +34,10 @@
 
 #include <stdio.h>
 
+#ifdef HB_NO_OPEN
+#define hb_blob_create_from_file(x)  hb_blob_get_empty ()
+#endif
+
 int
 main (int argc, char **argv)
 {

src/test-gpos-size-params.cc

@@ -31,6 +31,10 @@
 
 #include <stdio.h>
 
+#ifdef HB_NO_OPEN
+#define hb_blob_create_from_file(x)  hb_blob_get_empty ()
+#endif
+
 int
 main (int argc, char **argv)
 {

src/test-gsub-would-substitute.cc

@@ -35,6 +35,10 @@
 #include "hb-ft.h"
 #endif
 
+#ifdef HB_NO_OPEN
+#define hb_blob_create_from_file(x)  hb_blob_get_empty ()
+#endif
+
 int
 main (int argc, char **argv)
 {

src/test-ot-color.cc

@@ -27,6 +27,10 @@
 
 #include <cairo.h>
 
+#ifdef HB_NO_OPEN
+#define hb_blob_create_from_file(x)  hb_blob_get_empty ()
+#endif
+
 #if !defined(HB_NO_COLOR) && defined(CAIRO_HAS_SVG_SURFACE)
 
 #include "hb-ot.h"

src/test-ot-name.cc

@@ -30,6 +30,10 @@
 #include <stdlib.h>
 #include <stdio.h>
 
+#ifdef HB_NO_OPEN
+#define hb_blob_create_from_file(x)  hb_blob_get_empty ()
+#endif
+
 int
 main (int argc, char **argv)
 {

src/test.cc

@@ -34,6 +34,10 @@
 #include "hb-ft.h"
 #endif
 
+#ifdef HB_NO_OPEN
+#define hb_blob_create_from_file(x)  hb_blob_get_empty ()
+#endif
+
 int
 main (int argc, char **argv)
 {