OSSFuzz: it assumes autotools builds a static library by default, which means the old autotools must have done that even though there were comments saying it wasn't. Disable static by default on Windows however since it can't build both simultaneously.

configure.ac

@@ -42,9 +42,8 @@ AC_CONFIG_MACRO_DIR([m4])
 AC_USE_SYSTEM_EXTENSIONS
 AX_CXX_COMPILE_STDCXX_14([noext],[optional])
 AM_INIT_AUTOMAKE([foreign subdir-objects 1.9.6])
-AC_DISABLE_STATIC
 AC_ENABLE_SHARED
-LT_INIT([win32-dll,shared,disable-static,pic,disable-fast-install,aix-soname=svr4])
+LT_INIT([win32-dll,shared,pic,disable-fast-install,aix-soname=svr4])
 AC_LANG([C])
 AC_PROG_CC
 AM_PROG_CC_C_O
@@ -184,6 +183,12 @@ if test "$ac_cv_native_windows" = "yes" ; then
 fi
 AC_MSG_RESULT($ac_cv_native_windows)
 
+dnl Disable static builds by default on Windows unless overwritten since Windows
+dnl can't simultaneously build shared and static with autotools.
+if test "x$ac_cv_windows" = "xyes" ; then
+  AC_DISABLE_STATIC
+fi
+
 
 dnl Only windows requires CARES_STATICLIB definition
 if test "x$enable_shared" = "xno" -a "x$enable_static" = "xyes" ; then