Capitalize namespacing structs

This helps to avoid name clashes when breaking up modules into packages.

src/hulk/pci.d

@@ -3,7 +3,7 @@ module hulk.pci;
 import hulk.cpu;
 import hulk.klog;
 
-struct pci
+struct Pci
 {
     /* IO address for PCI configuration address. */
     enum IO_ADDR_CONFIG_ADDRESS = 0xCF8u;
@@ -24,7 +24,7 @@ struct pci
         if (reg0 != 0xFFFFFFFFu)
         {
             ulong reg2 = read_config_register(bus_id, device_id, 2u);
-            klog.writefln("Found PCI device %04x:%04x (%02x:%02x:%02x) at %02u:%02u",
+            Klog.writefln("Found PCI device %04x:%04x (%02x:%02x:%02x) at %02u:%02u",
                     (reg0 & 0xFFFFu), (reg0 >> 16u),
                     (reg2 >> 24u) & 0xFFu,
                     (reg2 >> 16u) & 0xFFu,
@@ -35,7 +35,7 @@ struct pci
 
     public static void initialize()
     {
-        klog.writefln("Scanning PCI devices...");
+        Klog.writefln("Scanning PCI devices...");
         for (ulong bus_id = 0u; bus_id < 256u; bus_id++)
         {
             for (ulong device_id = 0u; device_id < 32u; device_id++)
@@ -43,6 +43,6 @@ struct pci
                 scan(bus_id, device_id);
             }
         }
-        klog.writefln("PCI scan complete.");
+        Klog.writefln("PCI scan complete.");
     }
 }