Win32: Pass FORMAT_MESSAGE_IGNORE_INSERTS

This should always be passed when retreving messages from third
parties (unless the third party documents format strings)

See https://devblogs.microsoft.com/oldnewthing/20071128-00/?p=24353

Author: lb90

boilerplate/cairo-boilerplate-win32-printing.c

@@ -43,6 +43,7 @@ _cairo_win32_print_gdi_error (const char *context)
     DWORD last_error = GetLastError ();
 
     if (!FormatMessageW (FORMAT_MESSAGE_ALLOCATE_BUFFER |
+                         FORMAT_MESSAGE_IGNORE_INSERTS |
 			 FORMAT_MESSAGE_FROM_SYSTEM,
 			 NULL,
 			 last_error,

src/win32/cairo-dwrite-font.cpp

@@ -110,6 +110,7 @@ _cairo_dwrite_error (HRESULT hr, const char *context)
     void *lpMsgBuf;
 
     if (!FormatMessageW (FORMAT_MESSAGE_ALLOCATE_BUFFER |
+                         FORMAT_MESSAGE_IGNORE_INSERTS |
 			 FORMAT_MESSAGE_FROM_SYSTEM,
 			 NULL,
 			 hr,

src/win32/cairo-win32-surface.c

@@ -95,6 +95,7 @@ _cairo_win32_print_gdi_error (const char *context)
     DWORD last_error = GetLastError ();
 
     if (!FormatMessageW (FORMAT_MESSAGE_ALLOCATE_BUFFER |
+                         FORMAT_MESSAGE_IGNORE_INSERTS |
 			 FORMAT_MESSAGE_FROM_SYSTEM,
 			 NULL,
 			 last_error,