Correct casing of Security/Cryptography/HMAC.cs.

Fixes issue #1505.

Renci.SshClient/Renci.SshNet.NET35/Renci.SshNet.NET35.csproj

@@ -614,8 +614,8 @@
     <Compile Include="..\Renci.SshNet\Security\Cryptography\Hashes\SHA512Hash.cs">
       <Link>Security\Cryptography\Hashes\SHA512Hash.cs</Link>
     </Compile>
-    <Compile Include="..\Renci.SshNet\Security\Cryptography\HMac.cs">
-      <Link>Security\Cryptography\HMac.cs</Link>
+    <Compile Include="..\Renci.SshNet\Security\Cryptography\HMAC.cs">
+      <Link>Security\Cryptography\HMAC.cs</Link>
     </Compile>
     <Compile Include="..\Renci.SshNet\Security\Cryptography\Key.cs">
       <Link>Security\Cryptography\Key.cs</Link>

Renci.SshClient/Renci.SshNet.Silverlight/Renci.SshNet.Silverlight.csproj

@@ -578,8 +578,8 @@
     <Compile Include="..\Renci.SshNet\Security\Cryptography\Hashes\SHA512Hash.cs">
       <Link>Security\Cryptography\Hashes\SHA512Hash.cs</Link>
     </Compile>
-    <Compile Include="..\Renci.SshNet\Security\Cryptography\HMac.cs">
-      <Link>Security\Cryptography\HMac.cs</Link>
+    <Compile Include="..\Renci.SshNet\Security\Cryptography\HMAC.cs">
+      <Link>Security\Cryptography\HMAC.cs</Link>
     </Compile>
     <Compile Include="..\Renci.SshNet\Security\Cryptography\Key.cs">
       <Link>Security\Cryptography\Key.cs</Link>

Renci.SshClient/Renci.SshNet.WindowsPhone/Renci.SshNet.WindowsPhone.csproj

@@ -576,8 +576,8 @@
     <Compile Include="..\Renci.SshNet\Security\Cryptography\Hashes\SHA512Hash.cs">
       <Link>Security\Cryptography\Hashes\SHA512Hash.cs</Link>
     </Compile>
-    <Compile Include="..\Renci.SshNet\Security\Cryptography\HMac.cs">
-      <Link>Security\Cryptography\HMac.cs</Link>
+    <Compile Include="..\Renci.SshNet\Security\Cryptography\HMAC.cs">
+      <Link>Security\Cryptography\HMAC.cs</Link>
     </Compile>
     <Compile Include="..\Renci.SshNet\Security\Cryptography\Key.cs">
       <Link>Security\Cryptography\Key.cs</Link>

Renci.SshClient/Renci.SshNet.WindowsPhone8/Renci.SshNet.WindowsPhone8.csproj

@@ -623,8 +623,8 @@
     <Compile Include="..\Renci.SshNet\Security\Cryptography\Hashes\SHA512Hash.cs">
       <Link>Security\Cryptography\Hashes\SHA512Hash.cs</Link>
     </Compile>
-    <Compile Include="..\Renci.SshNet\Security\Cryptography\HMac.cs">
-      <Link>Security\Cryptography\HMac.cs</Link>
+    <Compile Include="..\Renci.SshNet\Security\Cryptography\HMAC.cs">
+      <Link>Security\Cryptography\HMAC.cs</Link>
     </Compile>
     <Compile Include="..\Renci.SshNet\Security\Cryptography\Key.cs">
       <Link>Security\Cryptography\Key.cs</Link>

Renci.SshClient/Renci.SshNet/Renci.SshNet.csproj

@@ -331,7 +331,7 @@
     <Compile Include="Security\Cryptography\Hashes\SHA256Hash.cs">
       <SubType>Code</SubType>
     </Compile>
-    <Compile Include="Security\Cryptography\HMac.cs">
+    <Compile Include="Security\Cryptography\HMAC.cs">
       <SubType>Code</SubType>
     </Compile>
     <Compile Include="Security\Cryptography\Key.cs">