Use glib memory allocation and free functions

qemu_malloc/qemu_free no longer exist after this commit.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/audio/alsaaudio.c b/audio/alsaaudio.c
index 4d72014..cb45b49 100644
--- a/audio/alsaaudio.c
+++ b/audio/alsaaudio.c
@@ -136,7 +136,7 @@
         for (i = 0; i < hlp->count; ++i) {
             qemu_set_fd_handler (pfds[i].fd, NULL, NULL, NULL);
         }
-        qemu_free (pfds);
+        g_free (pfds);
     }
     hlp->pfds = NULL;
     hlp->count = 0;
@@ -260,7 +260,7 @@
     if (err < 0) {
         alsa_logerr (err, "Could not initialize poll mode\n"
                      "Could not obtain poll descriptors\n");
-        qemu_free (pfds);
+        g_free (pfds);
         return -1;
     }
 
@@ -288,7 +288,7 @@
             while (i--) {
                 qemu_set_fd_handler (pfds[i].fd, NULL, NULL, NULL);
             }
-            qemu_free (pfds);
+            g_free (pfds);
             return -1;
         }
     }
@@ -816,7 +816,7 @@
     alsa_anal_close (&alsa->handle, &alsa->pollhlp);
 
     if (alsa->pcm_buf) {
-        qemu_free (alsa->pcm_buf);
+        g_free (alsa->pcm_buf);
         alsa->pcm_buf = NULL;
     }
 }
@@ -979,7 +979,7 @@
     alsa_anal_close (&alsa->handle, &alsa->pollhlp);
 
     if (alsa->pcm_buf) {
-        qemu_free (alsa->pcm_buf);
+        g_free (alsa->pcm_buf);
         alsa->pcm_buf = NULL;
     }
 }