libsysprof: Add missing preload dependencies on glib-2.0

It has previously been implicitly pulled in by libsysprof-capture, but
that will change in future.

Correspondingly, add some missing `glib.h` includes.

Signed-off-by: Philip Withnall <withnall@endlessm.com>

Helps: #40

src/libsysprof/preload/meson.build

@@ -1,6 +1,7 @@
 libdl_dep = cc.find_library('dl', required: false)
 
 preload_deps = [
+  dependency('glib-2.0'),
   libsysprof_capture_dep,
   libdl_dep,
 ]

src/libsysprof/preload/sysprof-memory-collector.c

@@ -23,6 +23,7 @@
 #include "config.h"
 
 #include <dlfcn.h>
+#include <glib.h>
 #include <sched.h>
 #include <stdlib.h>
 #include <sys/syscall.h>

src/libsysprof/preload/sysprof-speedtrack-collector.c

@@ -24,6 +24,7 @@
 
 #include <dlfcn.h>
 #include <fcntl.h>
+#include <glib.h>
 #include <stdlib.h>
 #include <sys/mman.h>
 #include <sys/stat.h>

src/libsysprof/sysprof-kernel-symbol.h

@@ -24,6 +24,8 @@
 # error "Only <sysprof.h> can be included directly."
 #endif
 
+#include <glib.h>
+
 #include "sysprof-capture-types.h"
 
 G_BEGIN_DECLS

src/libsysprof/sysprof-map-lookaside.c

@@ -20,6 +20,8 @@
 
 #include "config.h"
 
+#include <glib.h>
+
 #include "sysprof-map-lookaside.h"
 
 struct _SysprofMapLookaside

src/libsysprof/sysprof-map-lookaside.h

@@ -20,6 +20,8 @@
 
 #pragma once
 
+#include <glib.h>
+
 #include "sysprof-capture-types.h"
 
 G_BEGIN_DECLS

src/libsysprof/sysprof-source.h

@@ -24,6 +24,7 @@
 # error "Only <sysprof.h> can be included directly."
 #endif
 
+#include <glib.h>
 #include <gio/gio.h>
 #include <sysprof-capture.h>