Fix misuses of memset

src/md5.c: In function 'sat_MD5_Final':
src/md5.c:269:23: error: argument to 'sizeof' in 'memset' call is the same expression as the destination; did you mean to dereference it? [-Werror=sizeof-pointer-memaccess]
  memset(ctx, 0, sizeof(ctx));
                       ^
examples/solv.c: In function 'read_repos':
examples/solv.c:1616:27: error: argument to 'sizeof' in 'memset' call is the same expression as the destination; did you mean to remove the addressof? [-Werror=sizeof-pointer-memaccess]
     memset(&stb, 0, sizeof(&stb));
                           ^

1 files changed, 1 insertions, 1 deletions

diff --git a/src/md5.c b/src/md5.c
index 85bbd6a..0431b50 100644
--- a/src/md5.c
+++ b/src/md5.c
@@ -266,5 +266,5 @@ void solv_MD5_Final(unsigned char *result, MD5_CTX *ctx)
 	result[14] = ctx->d >> 16;
 	result[15] = ctx->d >> 24;
 
-	memset(ctx, 0, sizeof(ctx));
+	memset(ctx, 0, sizeof(*ctx));
 }