Merge pull request #747 from alex/exception-heirarchy-refactor
Try to use more specific exceptions in places.
diff --git a/cryptography/hazmat/bindings/openssl/dsa.py b/cryptography/hazmat/bindings/openssl/dsa.py
index e04507c..664296d 100644
--- a/cryptography/hazmat/bindings/openssl/dsa.py
+++ b/cryptography/hazmat/bindings/openssl/dsa.py
@@ -35,6 +35,7 @@
DSA *DSA_generate_parameters(int, unsigned char *, int, int *, unsigned long *,
void (*)(int, int, void *), void *);
int DSA_generate_key(DSA *);
+DSA *DSA_new(void);
void DSA_free(DSA *);
"""