Added support for minidump (read & write).

dlls/dbghelp/dbghelp.spec

@@ -20,8 +20,8 @@
 @ stdcall ImagehlpApiVersionEx(ptr)
 @ stdcall MakeSureDirectoryPathExists(str)
 @ stdcall MapDebugInformation(long str str long)
-@ stub MiniDumpReadDumpStream
-@ stub MiniDumpWriteDump
+@ stdcall MiniDumpReadDumpStream(ptr long ptr ptr ptr)
+@ stdcall MiniDumpWriteDump(ptr long ptr long long long long)
 @ stdcall SearchTreeForFile(str str str)
 @ stdcall StackWalk(long long long ptr ptr ptr ptr ptr ptr)
 @ stub StackWalk64

dlls/dbghelp/elf_module.c

@@ -1278,9 +1278,11 @@ BOOL elf_enum_modules(HANDLE hProc, elf_enum_modules_cb cb, void* user)
     struct process      pcs;
     struct elf_info     elf_info;
 
+    memset(&pcs, 0, sizeof(pcs));
     pcs.handle = hProc;
     elf_info.flags = ELF_INFO_DEBUG_HEADER;
     if (!elf_search_loader(&pcs, &elf_info)) return FALSE;
+    pcs.dbg_hdr_addr = elf_info.dbg_hdr_addr;
     return elf_enum_modules_internal(&pcs, cb, user);
 }