Fix file permissions (Bug #314381).

diff --git a/buildtool.cpp b/buildtool.cpp
old mode 100755 (executable)
new mode 100644 (file)

diff --git a/src/live_effects/lpe-envelope.cpp b/src/live_effects/lpe-envelope.cpp
old mode 100755 (executable)
new mode 100644 (file)

diff --git a/src/live_effects/lpe-envelope.h b/src/live_effects/lpe-envelope.h
old mode 100755 (executable)
new mode 100644 (file)