Make it possible to compile CAPI engine under mingw64.
diff --git a/Configure b/Configure
index 9197a6b..488d390 100755
--- a/Configure
+++ b/Configure
@@ -504,7 +504,7 @@
# handling, one can't seriously consider its binaries for using with
# non-mingw64 run-time environment. And as mingw64 is always consistent
# with itself, Applink is never engaged and can as well be omitted.
-"mingw64", "gcc:-mno-cygwin -DL_ENDIAN -O3 -Wall -DWIN32_LEAN_AND_MEAN -DUNICODE -D_UNICODE:::MINGW64:-lws2_32 -lgdi32:SIXTY_FOUR_BIT RC4_CHUNK_LL DES_INT EXPORT_VAR_AS_FN:${x86_64_asm}:mingw64:win32:cygwin-shared:-D_WINDLL:-mno-cygwin:.dll.a",
+"mingw64", "gcc:-mno-cygwin -DL_ENDIAN -O3 -Wall -DWIN32_LEAN_AND_MEAN -DUNICODE -D_UNICODE:::MINGW64:-lws2_32 -lgdi32 -lcrypt32:SIXTY_FOUR_BIT RC4_CHUNK_LL DES_INT EXPORT_VAR_AS_FN:${x86_64_asm}:mingw64:win32:cygwin-shared:-D_WINDLL:-mno-cygwin:.dll.a",
# UWIN
"UWIN", "cc:-DTERMIOS -DL_ENDIAN -O -Wall:::UWIN::BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${no_asm}:win32",