Remove confusing spkstr checks

This is a required parameter, it can never be NULL.

Author: nikic

ext/openssl/openssl.c

@@ -1933,7 +1933,7 @@ PHP_FUNCTION(openssl_spki_verify)
 {
 	size_t spkstr_len;
 	int i = 0, spkstr_cleaned_len = 0;
-	char *spkstr = NULL, * spkstr_cleaned = NULL;
+	char *spkstr, * spkstr_cleaned = NULL;
 
 	EVP_PKEY *pkey = NULL;
 	NETSCAPE_SPKI *spki = NULL;
@@ -1943,11 +1943,6 @@ PHP_FUNCTION(openssl_spki_verify)
 	}
 	RETVAL_FALSE;
 
-	if (spkstr == NULL) {
-		php_error_docref(NULL, E_WARNING, "Unable to use supplied SPKAC");
-		goto cleanup;
-	}
-
 	spkstr_cleaned = emalloc(spkstr_len + 1);
 	spkstr_cleaned_len = (int)(spkstr_len - php_openssl_spki_cleanup(spkstr, spkstr_cleaned));
 
@@ -1997,7 +1992,7 @@ PHP_FUNCTION(openssl_spki_verify)
 PHP_FUNCTION(openssl_spki_export)
 {
 	size_t spkstr_len;
-	char *spkstr = NULL, * spkstr_cleaned = NULL, * s = NULL;
+	char *spkstr, * spkstr_cleaned = NULL, * s = NULL;
 	int spkstr_cleaned_len;
 
 	EVP_PKEY *pkey = NULL;
@@ -2009,11 +2004,6 @@ PHP_FUNCTION(openssl_spki_export)
 	}
 	RETVAL_FALSE;
 
-	if (spkstr == NULL) {
-		php_error_docref(NULL, E_WARNING, "Unable to use supplied SPKAC");
-		goto cleanup;
-	}
-
 	spkstr_cleaned = emalloc(spkstr_len + 1);
 	spkstr_cleaned_len = (int)(spkstr_len - php_openssl_spki_cleanup(spkstr, spkstr_cleaned));
 
@@ -2072,7 +2062,7 @@ PHP_FUNCTION(openssl_spki_export)
 PHP_FUNCTION(openssl_spki_export_challenge)
 {
 	size_t spkstr_len;
-	char *spkstr = NULL, * spkstr_cleaned = NULL;
+	char *spkstr, * spkstr_cleaned = NULL;
 	int spkstr_cleaned_len;
 
 	NETSCAPE_SPKI *spki = NULL;
@@ -2082,11 +2072,6 @@ PHP_FUNCTION(openssl_spki_export_challenge)
 	}
 	RETVAL_FALSE;
 
-	if (spkstr == NULL) {
-		php_error_docref(NULL, E_WARNING, "Unable to use supplied SPKAC");
-		goto cleanup;
-	}
-
 	spkstr_cleaned = emalloc(spkstr_len + 1);
 	spkstr_cleaned_len = (int)(spkstr_len - php_openssl_spki_cleanup(spkstr, spkstr_cleaned));