tools: protoc: fix compilation with recent clang

Similar to 553ed5fa94 found in contribs.

Co-authored-by: Martin Storsjö <martin@martin.st>

extras/tools/protobuf-include-algorithm.patch

@@ -0,0 +1,14 @@
+--- protobuf/src/google/protobuf/repeated_field.h.orig	2022-02-17 12:44:54.526527423 +0200
++++ protobuf/src/google/protobuf/repeated_field.h	2022-02-17 12:44:58.190446363 +0200
+@@ -46,11 +46,7 @@
+ #ifndef GOOGLE_PROTOBUF_REPEATED_FIELD_H__
+ #define GOOGLE_PROTOBUF_REPEATED_FIELD_H__
+ 
+-#ifdef _MSC_VER
+-// This is required for min/max on VS2013 only.
+ #include <algorithm>
+-#endif
+-
+ #include <string>
+ #include <iterator>
+ #include <google/protobuf/stubs/casts.h>

extras/tools/tools.mak

@@ -329,6 +329,7 @@ protobuf-$(PROTOBUF_VERSION).tar.gz:
 protobuf: protobuf-$(PROTOBUF_VERSION).tar.gz
 	$(UNPACK)
 	$(APPLY) $(TOOLS)/protobuf-fix-build.patch
+	$(APPLY) $(TOOLS)/protobuf-include-algorithm.patch
 	$(MOVE)
 
 .buildprotoc: protobuf