*Commands: remove extern"C" from C++ headers

src/DatabaseCommands.hxx

@@ -22,8 +22,6 @@
 
 #include "command.h"
 
-G_BEGIN_DECLS
-
 enum command_return
 handle_lsinfo2(struct client *client, int argc, char *argv[]);
 
@@ -54,6 +52,4 @@ handle_list(struct client *client, int argc, char *argv[]);
 enum command_return
 handle_listallinfo(struct client *client, int argc, char *argv[]);
 
-G_END_DECLS
-
 #endif

src/MessageCommands.hxx

@@ -22,8 +22,6 @@
 
 #include "command.h"
 
-G_BEGIN_DECLS
-
 enum command_return
 handle_subscribe(struct client *client, int argc, char *argv[]);
 
@@ -39,6 +37,4 @@ handle_read_messages(struct client *client, int argc, char *argv[]);
 enum command_return
 handle_send_message(struct client *client, int argc, char *argv[]);
 
-G_END_DECLS
-
 #endif

src/OtherCommands.hxx

@@ -22,8 +22,6 @@
 
 #include "command.h"
 
-G_BEGIN_DECLS
-
 enum command_return
 handle_urlhandlers(struct client *client, int argc, char *argv[]);
 
@@ -66,6 +64,4 @@ handle_config(struct client *client, int argc, char *argv[]);
 enum command_return
 handle_idle(struct client *client, int argc, char *argv[]);
 
-G_END_DECLS
-
 #endif

src/OutputCommands.hxx

@@ -22,8 +22,6 @@
 
 #include "command.h"
 
-G_BEGIN_DECLS
-
 enum command_return
 handle_enableoutput(struct client *client, int argc, char *argv[]);
 
@@ -33,6 +31,4 @@ handle_disableoutput(struct client *client, int argc, char *argv[]);
 enum command_return
 handle_devices(struct client *client, int argc, char *argv[]);
 
-G_END_DECLS
-
 #endif

src/PlayerCommands.hxx

@@ -22,8 +22,6 @@
 
 #include "command.h"
 
-G_BEGIN_DECLS
-
 enum command_return
 handle_play(struct client *client, int argc, char *argv[]);
 
@@ -87,6 +85,4 @@ handle_replay_gain_mode(struct client *client, int argc, char *argv[]);
 enum command_return
 handle_replay_gain_status(struct client *client, int argc, char *argv[]);
 
-G_END_DECLS
-
 #endif

src/PlaylistCommands.hxx

@@ -22,8 +22,6 @@
 
 #include "command.h"
 
-G_BEGIN_DECLS
-
 enum command_return
 handle_save(struct client *client, int argc, char *argv[]);
 
@@ -57,6 +55,4 @@ handle_playlistadd(struct client *client, int argc, char *argv[]);
 enum command_return
 handle_listplaylists(struct client *client, int argc, char *argv[]);
 
-G_END_DECLS
-
 #endif

src/QueueCommands.hxx

@@ -22,8 +22,6 @@
 
 #include "command.h"
 
-G_BEGIN_DECLS
-
 enum command_return
 handle_add(struct client *client, int argc, char *argv[]);
 
@@ -81,6 +79,4 @@ handle_swap(struct client *client, int argc, char *argv[]);
 enum command_return
 handle_swapid(struct client *client, int argc, char *argv[]);
 
-G_END_DECLS
-
 #endif

src/StickerCommands.hxx

@@ -22,11 +22,7 @@
 
 #include "command.h"
 
-G_BEGIN_DECLS
-
 enum command_return
 handle_sticker(struct client *client, int argc, char *argv[]);
 
-G_END_DECLS
-
 #endif