Add a stub implementation of RegisterTraceGuids.

diff --git a/dlls/advapi32/advapi32.spec b/dlls/advapi32/advapi32.spec
index d4323d1..04c9bcf 100644
--- a/dlls/advapi32/advapi32.spec
+++ b/dlls/advapi32/advapi32.spec
@@ -271,6 +271,8 @@
 @ stdcall RegisterEventSourceW(ptr ptr)
 @ stdcall RegisterServiceCtrlHandlerA (ptr ptr)
 @ stdcall RegisterServiceCtrlHandlerW (ptr ptr)
+@ stdcall RegisterTraceGuidsA(ptr ptr ptr long ptr str str ptr)
+@ stdcall RegisterTraceGuidsW(ptr ptr ptr long ptr wstr wstr ptr)
 @ stdcall ReportEventA (long long long long ptr long long str ptr)
 @ stdcall ReportEventW (long long long long ptr long long wstr ptr)
 @ stdcall RevertToSelf()
diff --git a/dlls/advapi32/eventlog.c b/dlls/advapi32/eventlog.c
index d559d6b..be650c5 100644
--- a/dlls/advapi32/eventlog.c
+++ b/dlls/advapi32/eventlog.c
@@ -27,6 +27,8 @@
 #include "winerror.h"
 #include "winreg.h"
 #include "winternl.h"
+#include "wmistr.h"
+#include "evntrace.h"
 
 #include "wine/debug.h"
 
@@ -436,3 +438,25 @@
     }
     return TRUE;
 }
+
+ULONG WINAPI RegisterTraceGuidsW( WMIDPREQUEST RequestAddress,
+                PVOID RequestContext, LPCGUID ControlGuid, ULONG GuidCount,
+                PTRACE_GUID_REGISTRATION TraceGuidReg, LPCWSTR MofImagePath,
+                LPCWSTR MofResourceName, PTRACEHANDLE RegistrationHandle )
+{
+    FIXME("%p %p %p %lu %p %s %s %p\n", RequestAddress, RequestContext,
+          ControlGuid, GuidCount, TraceGuidReg, debugstr_w(MofImagePath),
+          debugstr_w(MofResourceName), RegistrationHandle);
+    return ERROR_CALL_NOT_IMPLEMENTED;
+}
+
+ULONG WINAPI RegisterTraceGuidsA( WMIDPREQUEST RequestAddress,
+                PVOID RequestContext, LPCGUID ControlGuid, ULONG GuidCount,
+                PTRACE_GUID_REGISTRATION TraceGuidReg, LPCSTR MofImagePath,
+                LPCSTR MofResourceName, PTRACEHANDLE RegistrationHandle )
+{
+    FIXME("%p %p %p %lu %p %s %s %p\n", RequestAddress, RequestContext,
+          ControlGuid, GuidCount, TraceGuidReg, debugstr_a(MofImagePath),
+          debugstr_a(MofResourceName), RegistrationHandle);
+    return ERROR_CALL_NOT_IMPLEMENTED;
+}
diff --git a/include/evntrace.h b/include/evntrace.h
index e0e45d9..f2a96e0 100644
--- a/include/evntrace.h
+++ b/include/evntrace.h
@@ -46,11 +46,11 @@
     union
     {
         USHORT FieldTypeFlags;
-        struct 
+        struct
         {
             UCHAR HeaderType;
             UCHAR MarkerFlags;
-        };
+        } DUMMYSTRUCTNAME;
     } DUMMYUNIONNAME;
     union
     {