Ports: Update libpuffy's patches to use git patches

Ports/libpuffy/patches/0001-Add-a-definition-for-llabs.patch

@@ -0,0 +1,30 @@
+From 806cad445d82dd4facb0759087881dc6d6a0ec70 Mon Sep 17 00:00:00 2001
+From: Gunnar Beutner <gbeutner@serenityos.org>
+Date: Sat, 1 May 2021 22:43:05 +0200
+Subject: [PATCH] Add a definition for llabs
+
+---
+ fmt_scaled.c | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/fmt_scaled.c b/fmt_scaled.c
+index 6ad314e..6e68356 100644
+--- a/fmt_scaled.c
++++ b/fmt_scaled.c
+@@ -207,11 +207,13 @@ scan_scaled(char *scaled, long long *result)
+ 	return -1;
+ }
+ 
++#ifndef __serenity__
+ static long long
+ llabs(long long j)
+ {
+ 	return (j < 0 ? -j : j);
+ }
++#endif
+ 
+ /* Format the given "number" into human-readable form in "result".
+  * Result must point to an allocated buffer of length FMT_SCALED_STRSIZE.
+-- 
+2.36.1
+

Ports/libpuffy/patches/ReadMe.md

@@ -0,0 +1,7 @@
+# Patches for libpuffy on SerenityOS
+
+## `0001-Add-a-definition-for-llabs.patch`
+
+Add a definition for llabs
+
+

Ports/libpuffy/patches/llabs.patch

@@ -1,17 +0,0 @@
-diff -Naur libpuffy-1.0/fmt_scaled.c libpuffy-1.0.serenity/fmt_scaled.c
---- libpuffy-1.0/fmt_scaled.c	2020-03-14 21:04:34.000000000 +0100
-+++ libpuffy-1.0.serenity/fmt_scaled.c	2021-05-01 22:39:53.429380002 +0200
-@@ -207,11 +207,13 @@
- 	return -1;
- }
- 
-+#ifndef __serenity__
- static long long
- llabs(long long j)
- {
- 	return (j < 0 ? -j : j);
- }
-+#endif
- 
- /* Format the given "number" into human-readable form in "result".
-  * Result must point to an allocated buffer of length FMT_SCALED_STRSIZE.