dbghelp: Add stubs for SymSetHomeDirectory.

dlls/dbghelp/dbghelp.spec

@@ -153,8 +153,8 @@
 @ stdcall SymSearch(long int64 long long str int64 ptr ptr long)
 @ stdcall SymSearchW(long int64 long long wstr int64 ptr ptr long)
 @ stdcall SymSetContext(long ptr ptr)
-@ stub SymSetHomeDirectory
-@ stub SymSetHomeDirectoryW
+@ stdcall SymSetHomeDirectory(long str)
+@ stdcall SymSetHomeDirectoryW(long wstr)
 @ stdcall SymSetOptions(long)
 @ stdcall SymSetParentWindow(long)
 @ stdcall SymSetScopeFromAddr(ptr int64)

dlls/dbghelp/symbol.c

@@ -2196,3 +2196,25 @@ BOOL WINAPI SymFromIndexW(HANDLE hProcess, ULONG64 BaseOfDll, DWORD index, PSYMB
 
     return FALSE;
 }
+
+/******************************************************************
+ *		SymSetHomeDirectory (DBGHELP.@)
+ *
+ */
+PCHAR WINAPI SymSetHomeDirectory(HANDLE hProcess, PCSTR dir)
+{
+    FIXME("(%p, %s): stub\n", hProcess, dir);
+
+    return NULL;
+}
+
+/******************************************************************
+ *		SymSetHomeDirectoryW (DBGHELP.@)
+ *
+ */
+PWSTR WINAPI SymSetHomeDirectoryW(HANDLE hProcess, PCWSTR dir)
+{
+    FIXME("(%p, %s): stub\n", hProcess, debugstr_w(dir));
+
+    return NULL;
+}