scanner: move include directives before extern "C" wrapper

Adding extern "C" wrapper before includes (especially system ones) is
illadvised as the headers themselves can behave diffently in that case.

See the section "Including C Headers in C++ Code" in the following
http://www.oracle.com/technetwork/articles/servers-storage-dev/mixingcandcpluspluscode-305840.html

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
Reviewed-by: Quentin Glidic <sardemff7+git@sardemff7.net>

diff --git a/src/scanner.c b/src/scanner.c
index 65df3ae..52c07a6 100644 (file)
--- a/src/scanner.c
+++ b/src/scanner.c
@@ -1423,13 +1423,13 @@ emit_header(struct protocol *protocol, enum side side)
        printf("#ifndef %s_%s_PROTOCOL_H\n"
               "#define %s_%s_PROTOCOL_H\n"
               "\n"
+              "#include <stdint.h>\n"
+              "#include <stddef.h>\n"
+              "#include \"%s\"\n\n"
               "#ifdef  __cplusplus\n"
               "extern \"C\" {\n"
               "#endif\n"
               "\n"
-              "#include <stdint.h>\n"
-              "#include <stddef.h>\n"
-              "#include \"%s\"\n\n"
               "struct wl_client;\n"
               "struct wl_resource;\n\n",
               protocol->uppercase_name, s,