Remove some unnecessary includes.

Either remove them completely, or put them inside an #ifdef.

Change-Id: Iceff4909e250c17812f38d94e067f7c37ab72e1b
Reviewed-on: https://code.wireshark.org/review/11630
Reviewed-by: Guy Harris <guy@alum.mit.edu>

epan/conversation.c

@@ -22,8 +22,6 @@
 
 #include "config.h"
 
-#include <stdio.h>
-
 #include <string.h>
 #include <glib.h>
 #include "packet.h"

epan/dfilter/dfilter-macro.c

@@ -22,8 +22,9 @@
 
 #include "config.h"
 
+#ifdef DUMP_DFILTER_MACRO
 #include <stdio.h>
-#include <errno.h>
+#endif
 #include <string.h>
 
 #include "dfilter-int.h"

epan/dfilter/dfvm.h

@@ -21,7 +21,6 @@
 #ifndef DFVM_H
 #define DFVM_H
 
-#include <stdio.h>
 #include <epan/proto.h>
 #include "dfilter-int.h"
 #include "syntax-tree.h"

epan/dissectors/packet-catapult-dct2000.c

@@ -23,7 +23,6 @@
 #include "config.h"
 
 #include <stdio.h>
-#include <stdlib.h>
 
 #include <epan/packet.h>
 #include <epan/conversation.h>

epan/dissectors/packet-etch.c

@@ -30,9 +30,6 @@
 
 #include "config.h"
 
-#include <stdio.h>
-#include <string.h>
-
 #include <epan/packet.h>
 #include <epan/prefs.h>
 #include <wsutil/file_util.h>

epan/dissectors/packet-ftp.c

@@ -27,7 +27,6 @@
 #include "config.h"
 
 #include <stdio.h>
-#include <stdlib.h>
 
 #include <epan/packet.h>
 #include <epan/strutil.h>

epan/dissectors/packet-gsm_abis_om2000.c

@@ -28,12 +28,8 @@
 
 #include "config.h"
 
-#include <stdio.h>
-
 #include <epan/packet.h>
 
-
-
 void proto_register_abis_om2000(void);
 
 /* initialize the protocol and registered fields */

epan/dissectors/packet-http2.c

@@ -38,8 +38,6 @@
 
 #include "config.h"
 
-#include <stdio.h>
-
 #include <epan/packet.h>
 #include <epan/prefs.h>
 

epan/dissectors/packet-icmp.c

@@ -922,7 +922,6 @@ dissect_extensions(tvbuff_t * tvb, gint offset, proto_tree * tree)
 	}
 }
 
-#include <stdio.h>
 /* ======================================================================= */
 static icmp_transaction_t *transaction_start(packet_info * pinfo,
 					     proto_tree * tree,

epan/dissectors/packet-iscsi.c

@@ -33,7 +33,6 @@
 #include "config.h"
 
 #include <stdio.h>
-#include <stdlib.h>
 
 #include <epan/packet.h>
 #include <epan/prefs.h>

epan/dissectors/packet-memcache.c

@@ -31,7 +31,6 @@
 #include "config.h"
 
 #include <stdio.h>
-#include <stdlib.h>
 
 #include <epan/packet.h>
 #include <epan/strutil.h>

epan/dissectors/packet-opensafety.c

@@ -37,7 +37,6 @@
  */
 
 #include "config.h"
-#include <stdio.h>
 
 #include <epan/packet.h>
 #include <epan/prefs.h>

epan/dissectors/packet-rtsp.c

@@ -30,7 +30,6 @@
 #include "config.h"
 
 #include <stdio.h>
-#include <stdlib.h>
 
 #include <epan/packet.h>
 #include <epan/req_resp_hdrs.h>

epan/dissectors/packet-smb-sidsnooping.c

@@ -23,8 +23,6 @@
 
 #include "config.h"
 
-#include <stdio.h>
-
 #include <epan/packet.h>
 #include <epan/epan_dissect.h>
 #include <epan/tap.h>

epan/dissectors/packet-srvloc.c

@@ -35,7 +35,6 @@
 #include "config.h"
 
 #include <stdio.h>
-#include <stdlib.h>
 
 #include <epan/packet.h>
 #include <epan/prefs.h>

epan/dissectors/packet-tpncp.c

@@ -26,9 +26,6 @@
 
 #include "config.h"
 
-#include <stdio.h>
-#include <stdlib.h>
-
 #include <epan/packet.h>
 #include <epan/exceptions.h>
 #include <epan/prefs.h>