[pango] Fix view-cairo on Windows

[Khaled Hosny <khaledh src gnome org>]

commit 3dfe2b9a5c8ac5ae37c210ba050f3720189cebb7
Author: Patrick Griffis <tingping tingping se>
Date:   Fri Mar 9 15:03:28 2018 +0000

    Fix view-cairo on Windows

 pango-view/viewer-cairo.c |   10 ++++------
 1 files changed, 4 insertions(+), 6 deletions(-)
---
diff --git a/pango-view/viewer-cairo.c b/pango-view/viewer-cairo.c
index 707a8c8..ca98c1c 100644
--- a/pango-view/viewer-cairo.c
+++ b/pango-view/viewer-cairo.c
@@ -34,8 +34,6 @@
 #include "viewer-x.h"
 #include <cairo-xlib.h>
 
-
-
 static cairo_surface_t *
 cairo_x_view_iface_create_surface (gpointer instance,
                                   gpointer surface,
@@ -229,18 +227,18 @@ cairo_vector_view_create (const PangoViewer *klass G_GNUC_UNUSED)
   if (0)
     ;
   #ifdef CAIRO_HAS_SVG_SURFACE
-    else if (0 == strcasecmp (extension, "svg"))
+    else if (0 == g_ascii_strcasecmp (extension, "svg"))
       constructor = cairo_svg_surface_create;
   #endif
   #ifdef CAIRO_HAS_PDF_SURFACE
-    else if (0 == strcasecmp (extension, "pdf"))
+    else if (0 == g_ascii_strcasecmp (extension, "pdf"))
       constructor = cairo_pdf_surface_create;
   #endif
   #ifdef CAIRO_HAS_PS_SURFACE
-    else if (0 == strcasecmp (extension, "ps"))
+    else if (0 == g_ascii_strcasecmp (extension, "ps"))
       constructor = cairo_ps_surface_create;
    #ifdef HAS_EPS
-    else if (0 == strcasecmp (extension, "eps"))
+    else if (0 == g_ascii_strcasecmp (extension, "eps"))
       constructor = _cairo_eps_surface_create;
    #endif
   #endif