apache: bump to 2.4.41

- version bump
- update license description
- add PKG_BUILD_PARALLEL:=1
- remove two cross-compile patches and replace them with the
  cross-compile patch from buildroot (adds autoreconf to get this going)

Signed-off-by: Sebastian Kemper <sebastian_ml@gmx.net>

net/apache/patches/001-cross-compile.patch

@@ -0,0 +1,57 @@
+Fix cross-compilation
+
+Fetched httpd-2.4.x-cross_compile.diff from upstream bugtracker:
+https://issues.apache.org/bugzilla/show_bug.cgi?id=51257#c6
+
+which is a bundle of upstream revisions:
+    http://svn.apache.org/viewvc?view=revision&revision=1327907
+    http://svn.apache.org/viewvc?view=revision&revision=1328390
+    http://svn.apache.org/viewvc?view=revision&revision=1328714
+
+Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
+
+--- a/server/Makefile.in
++++ b/server/Makefile.in
+@@ -24,9 +24,14 @@ TARGETS = delete-exports $(LTLIBRARY_NAM
+ include $(top_builddir)/build/rules.mk
+ include $(top_srcdir)/build/library.mk
+ 
++ifdef CC_FOR_BUILD
++gen_test_char: gen_test_char.c
++	$(CC_FOR_BUILD) $(CFLAGS_FOR_BUILD) -DCROSS_COMPILE -o $@ $<
++else
+ gen_test_char_OBJECTS = gen_test_char.lo
+ gen_test_char: $(gen_test_char_OBJECTS)
+ 	$(LINK) $(EXTRA_LDFLAGS) $(gen_test_char_OBJECTS) $(EXTRA_LIBS)
++endif
+ 
+ test_char.h: gen_test_char
+ 	./gen_test_char > test_char.h
+--- a/configure.in
++++ b/configure.in
+@@ -206,6 +206,14 @@ AC_PROG_CPP
+ dnl Try to get c99 support for variadic macros
+ ifdef([AC_PROG_CC_C99], [AC_PROG_CC_C99])
+ 
++dnl In case of cross compilation we set CC_FOR_BUILD to cc unless
++dnl we got already CC_FOR_BUILD from environment.
++if test "x${build_alias}" != "x${host_alias}"; then
++  if test "x${CC_FOR_BUILD}" = "x"; then
++    CC_FOR_BUILD=cc
++  fi
++fi
++
+ if test "x${cache_file}" = "x/dev/null"; then
+   # Likewise, ensure that CC and CPP are passed through to the pcre
+   # configure script iff caching is disabled (the autoconf 2.5x default).
+--- a/acinclude.m4
++++ b/acinclude.m4
+@@ -55,6 +55,8 @@ AC_DEFUN([APACHE_GEN_CONFIG_VARS],[
+   APACHE_SUBST(CPPFLAGS)
+   APACHE_SUBST(CFLAGS)
+   APACHE_SUBST(CXXFLAGS)
++  APACHE_SUBST(CC_FOR_BUILD)
++  APACHE_SUBST(CFLAGS_FOR_BUILD)
+   APACHE_SUBST(LTFLAGS)
+   APACHE_SUBST(LDFLAGS)
+   APACHE_SUBST(LT_LDFLAGS)