Fix several formatting mistakes in doc

docs/formatdomain.html.in

@@ -353,7 +353,7 @@
       <dd> The optional <code>vcpupin</code> element specifies which of host
         physical CPUS the domain VCPU will be pinned to. If this is ommited,
         each VCPU pinned to all the physical CPUS by default. It contains two
-        required attributes, the attribute <code>vcpu</vcpu> specifies vcpu id,
+        required attributes, the attribute <code>vcpu</code> specifies vcpu id,
         and the attribute <code>cpuset</code> is same as attribute <code>cpuset</code>
         of element <code>vcpu</code>. NB, Only qemu driver supports</dd>
       <dt><code>shares</code></dt>

docs/hooks.html.in

@@ -105,16 +105,16 @@
         is not started.  The first location, <span class="since">since
         0.9.0</span>, is before libvirt performs any resource
         labeling, and the hook can allocate resources not managed by
-        libvirt such as DRBD or missing bridges.  This is called as:</br>
+        libvirt such as DRBD or missing bridges.  This is called as:<br/>
         <pre>/etc/libvirt/hooks/qemu guest_name prepare begin -</pre>
         The second location, available <span class="since">Since
         0.8.0</span>, occurs after libvirt has finished labeling
-        all resources, but has not yet started the guest, called as:</br>
+        all resources, but has not yet started the guest, called as:<br/>
         <pre>/etc/libvirt/hooks/qemu guest_name start begin -</pre></li>
       <li>When a QEMU guest is stopped, the qemu hook script is called
         in two locations, to match the startup.
         First, <span class="since">since 0.8.0</span>, the hook is
-        called before libvirt restores any labels:</br>
+        called before libvirt restores any labels:<br/>
         <pre>/etc/libvirt/hooks/qemu guest_name stopped end -</pre>
         Then, after libvirt has released all resources, the hook is
         called again, <span class="since">since 0.9.0</span>, to allow

src/libvirt.c

@@ -2852,7 +2852,7 @@ error:
 }
 
 /*
- * virDomainSetMemoryFlags
+ * virDomainSetMemoryFlags:
  * @domain: a domain object or NULL
  * @memory: the memory size in kilobytes
  * @flags: an OR'ed set of virDomainMemoryModFlags