crypt32: Remove unused variables

[Andrew Talbot]

Changelog:
    crypt32: Remove unused variables.

diff --git a/dlls/crypt32/oid.c b/dlls/crypt32/oid.c
index 980c750..5a71c74 100644
--- a/dlls/crypt32/oid.c
+++ b/dlls/crypt32/oid.c
@@ -938,7 +938,6 @@ BOOL WINAPI CryptRegisterDefaultOIDFunction(DWORD dwEncodingType,
 {
     HKEY key;
     LPWSTR dlls;
-    LPCWSTR existing;
     BOOL ret = FALSE;
 
     TRACE("(%x, %s, %d, %s)\n", dwEncodingType, debugstr_a(pszFuncName),
@@ -954,7 +953,7 @@ BOOL WINAPI CryptRegisterDefaultOIDFunction(DWORD dwEncodingType,
         return FALSE;
 
     dlls = CRYPT_GetDefaultOIDDlls(key);
-    if ((existing = CRYPT_FindStringInMultiString(dlls, pwszDll)))
+    if (CRYPT_FindStringInMultiString(dlls, pwszDll))
         SetLastError(ERROR_FILE_EXISTS);
     else
     {
diff --git a/dlls/crypt32/store.c b/dlls/crypt32/store.c
index 20d71b7..84d326c 100644
--- a/dlls/crypt32/store.c
+++ b/dlls/crypt32/store.c
@@ -291,7 +291,6 @@ static PWINECRYPT_CERTSTORE CRYPT_SysRegOpenStoreW(HCRYPTPROV hCryptProv,
     PWINECRYPT_CERTSTORE store = NULL;
     HKEY root;
     LPCWSTR base;
-    BOOL ret;
 
     TRACE("(%ld, %08x, %s)\n", hCryptProv, dwFlags,
      debugstr_w((LPCWSTR)pvPara));
@@ -304,7 +303,6 @@ static PWINECRYPT_CERTSTORE CRYPT_SysRegOpenStoreW(HCRYPTPROV hCryptProv,
     if (!lstrcmpiW(storeName, rootW))
         return CRYPT_RootOpenStore(hCryptProv, dwFlags);
 
-    ret = TRUE;
     switch (dwFlags & CERT_SYSTEM_STORE_LOCATION_MASK)
     {
     case CERT_SYSTEM_STORE_LOCAL_MACHINE: