fix unplanned perm change

diff --git a/include/decl.h b/include/decl.h
old mode 100755 (executable)
new mode 100644 (file)

diff --git a/include/system.h b/include/system.h
old mode 100755 (executable)
new mode 100644 (file)

diff --git a/src/decl.c b/src/decl.c
old mode 100755 (executable)
new mode 100644 (file)

diff --git a/src/dungeon.c b/src/dungeon.c
old mode 100755 (executable)
new mode 100644 (file)

diff --git a/src/nhlsel.c b/src/nhlsel.c
old mode 100755 (executable)
new mode 100644 (file)

diff --git a/src/nhlua.c b/src/nhlua.c
old mode 100755 (executable)
new mode 100644 (file)

diff --git a/src/sp_lev.c b/src/sp_lev.c
old mode 100755 (executable)
new mode 100644 (file)