Small compile fixes

Original commit message from CVS:
Small compile fixes

tests/Makefile.am

@@ -1,10 +1,12 @@
 
 SUBDIRS = memchunk muxing sched threadstate seeking # bufspeed
 
+if !GST_DISABLE_TRACE
 noinst_PROGRAMS = lat
 
 lat_CFLAGS = $(GST_CFLAGS)
 lat_LDFLAGS = $(GST_LIBS)
+endif
 
 EXTRA_DIST = README
 DIST_SUBDIRS= bufspeed memchunk muxing sched threadstate seeking

tests/memchunk/gmemchunktest.c

@@ -1,5 +1,6 @@
-#include <gst/gst.h>
 #include <string.h>		/* strerror */
+#include <stdlib.h>		/* strerror */
+#include <gst/gst.h>
 
 #define MAX_THREADS  100
 

tests/memchunk/gstmemchunk.c

@@ -1,5 +1,6 @@
-#include "gstmemchunk.h"
 #include <string.h>		/* memset */
+#include <stdlib.h>		/* memset */
+#include "gstmemchunk.h"
 
 #ifdef __SMP__
 #define CHUNK_LOCK "lock ; "

tests/memchunk/gstmemchunktest.c

@@ -1,6 +1,7 @@
+#include <string.h>		/* strerror */
+#include <stdlib.h>		/* strerror */
 #include <gst/gst.h>
 #include "gstmemchunk.h"
-#include <string.h>		/* strerror */
 
 #define MAX_THREADS  100
 

tests/muxing/case1.c

@@ -1,3 +1,4 @@
+#include <stdlib.h>
 #include <gst/gst.h>
 
 gboolean playing = TRUE;

tests/threadstate/threadstate1.c

@@ -1,3 +1,4 @@
+#include <stdlib.h>
 #include <gst/gst.h>
 
 /* this pipeline is:

tests/threadstate/threadstate2.c

@@ -1,3 +1,4 @@
+#include <stdlib.h>
 #include <gst/gst.h>
 
 /* this pipeline is:

tests/threadstate/threadstate3.c

@@ -1,3 +1,4 @@
+#include <stdlib.h>
 #include <gst/gst.h>
 
 /* this pipeline is:

tests/threadstate/threadstate4.c

@@ -1,3 +1,4 @@
+#include <stdlib.h>
 #include <gst/gst.h>
 
 /* this pipeline is:

tests/threadstate/threadstate5.c

@@ -1,3 +1,4 @@
+#include <stdlib.h>
 #include <gst/gst.h>
 
 /* this pipeline is: