Move variable declarations earlier, to help old compilers.

From Khaled Mardam-Bey.

THANKS

diff --git a/THANKS b/THANKS
index 4699063..e53c53b 100644
--- a/THANKS
+++ b/THANKS
@@ -54,6 +54,7 @@
 Julien Schueller <schueller@phimeca.com>
 kensington <kensington@gentoo.org>
 Keith Jones <keith@keithjjones.com>
+Khaled Mardam-Bey
 Kohei Yoshida <kohei.yoshida@gmail.com>
 Leith Bade <leith@mapbox.com>
 Lubomir I. Ivanov <neolit123@gmail.com>

lib/zip_source_file_win32_named.c

diff --git a/lib/zip_source_file_win32_named.c b/lib/zip_source_file_win32_named.c
index aa91f93..a2a44c8 100644
--- a/lib/zip_source_file_win32_named.c
+++ b/lib/zip_source_file_win32_named.c
@@ -65,13 +65,14 @@
 static zip_int64_t
 _zip_win32_named_op_commit_write(zip_source_file_context_t *ctx) {
     zip_win32_file_operations_t *file_ops = (zip_win32_file_operations_t *)ctx->ops_userdata;
+    DWORD attributes;
 
     if (!CloseHandle((HANDLE)ctx->fout)) {
         zip_error_set(&ctx->error, ZIP_ER_WRITE, _zip_win32_error_to_errno(GetLastError()));
         return -1;
     }
 
-    DWORD attributes = file_ops->get_file_attributes(ctx->tmpname);
+    attributes = file_ops->get_file_attributes(ctx->tmpname);
     if (attributes == INVALID_FILE_ATTRIBUTES) {
         zip_error_set(&ctx->error, ZIP_ER_RENAME, _zip_win32_error_to_errno(GetLastError()));
         return -1;
@@ -248,6 +249,7 @@
     DWORD share_mode = FILE_SHARE_READ | FILE_SHARE_WRITE;
     DWORD creation_disposition = OPEN_EXISTING;
     DWORD file_attributes = FILE_ATTRIBUTE_NORMAL;
+    HANDLE h;
 
     if (temporary) {
         access = GENERIC_READ | GENERIC_WRITE;
@@ -256,7 +258,7 @@
         file_attributes = FILE_ATTRIBUTE_NORMAL | FILE_ATTRIBUTE_TEMPORARY;
     }
 
-    HANDLE h = file_ops->create_file(name, access, share_mode, security_attributes, creation_disposition, file_attributes, NULL);
+    h = file_ops->create_file(name, access, share_mode, security_attributes, creation_disposition, file_attributes, NULL);
 
     if (h == INVALID_HANDLE_VALUE) {
         zip_error_set(&ctx->error, ZIP_ER_OPEN, _zip_win32_error_to_errno(GetLastError()));

lib/zip_source_pkware_decode.c

diff --git a/lib/zip_source_pkware_decode.c b/lib/zip_source_pkware_decode.c
index 28a4eed..a1c9e3a 100644
--- a/lib/zip_source_pkware_decode.c
+++ b/lib/zip_source_pkware_decode.c
@@ -82,6 +82,7 @@
     zip_uint8_t header[ZIP_CRYPTO_PKWARE_HEADERLEN];
     struct zip_stat st;
     zip_int64_t n;
+    bool ok = false;
 
     if ((n = zip_source_read(src, header, ZIP_CRYPTO_PKWARE_HEADERLEN)) < 0) {
         _zip_error_set_from_source(&ctx->error, src);
@@ -105,8 +106,6 @@
      *  CRC - old PKWare way
      */
 
-    bool ok = false;
-
     if (st.valid & ZIP_STAT_MTIME) {
         unsigned short dostime, dosdate;
         _zip_u2d_time(st.mtime, &dostime, &dosdate);