Avoid dumping the contents of output strings.

diff --git a/dlls/rasapi32/rasapi.c b/dlls/rasapi32/rasapi.c
index 44e027d..df972c5 100644
--- a/dlls/rasapi32/rasapi.c
+++ b/dlls/rasapi32/rasapi.c
@@ -449,13 +449,13 @@
 
 DWORD WINAPI RasGetErrorStringA(UINT uErrorValue, LPSTR lpszErrorString, DWORD cBufSize)
 {
-    FIXME("(0x%08x,%s,0x%08lx), stub!\n", uErrorValue, debugstr_a(lpszErrorString), cBufSize);
+    FIXME("(0x%08x,%p,0x%08lx), stub!\n", uErrorValue, lpszErrorString, cBufSize);
     return 1;
 }
 
 DWORD WINAPI RasGetErrorStringW(UINT uErrorValue, LPWSTR lpszErrorString, DWORD cBufSize)
 {
-    FIXME("(0x%08x,%s,0x%08lx), stub!\n", uErrorValue, debugstr_w(lpszErrorString), cBufSize);
+    FIXME("(0x%08x,%p,0x%08lx), stub!\n", uErrorValue, lpszErrorString, cBufSize);
     return 1;
 }
 
diff --git a/dlls/rasapi32/rasapi32.spec b/dlls/rasapi32/rasapi32.spec
index 2a53734..6aacbbf 100644
--- a/dlls/rasapi32/rasapi32.spec
+++ b/dlls/rasapi32/rasapi32.spec
@@ -41,8 +41,8 @@
 @ stdcall RasGetEntryDialParamsW(wstr ptr ptr)
 @ stdcall RasGetEntryPropertiesA(str str ptr ptr ptr ptr)
 @ stdcall RasGetEntryPropertiesW(wstr wstr ptr ptr ptr ptr)
-@ stdcall RasGetErrorStringA(long str long)
-@ stdcall RasGetErrorStringW(long wstr long)
+@ stdcall RasGetErrorStringA(long ptr long)
+@ stdcall RasGetErrorStringW(long ptr long)
 @ stub RasGetErrorStringWow
 @ stub RasGetHport
 @ stdcall RasGetProjectionInfoA(ptr ptr ptr ptr)