games/nxengine: repocopy from the last revision this port was present, take maintainership, unbreak
Checksum errors are because format of patches changed. Diff from old version to new:
--- /home/pkubaj/d38fcaf80ac5c4b1a2da51b5d1a605ed408a192f.patch 2020-05-06 11:13:45.770946000 +0200
+++ d38fcaf80ac5c4b1a2da51b5d1a605ed408a192f.patch 2019-09-19 04:33:05.000000000 +0200
@@ -8,7 +8,7 @@
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/common/misc.cpp b/src/common/misc.cpp
-index 8b3782dc..91282e39 100644
+index 8b3782d..91282e3 100644
--- a/src/common/misc.cpp
+++ b/src/common/misc.cpp
@@ -6,6 +6,7 @@
--- /home/pkubaj/f6bbeb2555e7c10dfdc04be57f20fedfc9f401af.patch 2020-05-06 11:15:37.280028000 +0200
+++ f6bbeb2555e7c10dfdc04be57f20fedfc9f401af.patch 2019-09-19 04:33:06.000000000 +0200
@@ -9,7 +9,7 @@
2 files changed, 9 insertions(+)
diff --git a/CMakeLists.txt b/CMakeLists.txt
-index aef74b31..577a0736 100644
+index aef74b3..577a073 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -165,6 +165,7 @@ ENDIF()
@@ -21,7 +21,7 @@
diff --git a/win32/extract/extract.vcxproj b/win32/extract/extract.vcxproj
-index ee2693d0..6c8b72d9 100644
+index ee2693d..6c8b72d 100644
--- a/win32/extract/extract.vcxproj
+++ b/win32/extract/extract.vcxproj
@@ -96,10 +96,12 @@
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