Attempt to make mcedit2 building on RHEL-7

fix-ftbfs.patch

--- a/src/mcedit2/rendering/modelmesh.pyx
+++ b/src/mcedit2/rendering/modelmesh.pyx
@@ -33,8 +33,8 @@ for i, (r, g, b) in enumerate(lRedstoneP
     redstonePowerColors[i*4+2] = r * 255
     redstonePowerColors[i*4+3] = 255
 
-cdef unsigned char * foliageBitsPine = [0x61, 0x99, 0x61, 0xFF];   # BGRA
-cdef unsigned char * foliageBitsBirch = [0x55, 0xA7, 0x80, 0xFF];  # BGRA
+cdef unsigned char * foliageBitsPine =  b'\x61\x99\x61\xFF'  # BGRA
+cdef unsigned char * foliageBitsBirch = b'\x55\xA7\x80\xFF'  # BGRA
 
 class BlockModelMesh(object):
     renderstate = renderstates.RenderstateAlphaTest
--- a/setup_mceditlib.py
+++ b/setup_mceditlib.py
@@ -50,7 +50,7 @@ setup(name='mceditlib',
       author_email='[email protected]',
       url='https://github.com/mcedit/mcedit2',
       license='MIT License',
-      packages=find_packages('src', include=["mceditlib*"]),
+      packages=find_packages('src/mceditlib*'),
       package_data={'mceditlib': ['blocktypes/*.json', 'anvil/biomes.csv']},
       package_dir={'': 'src'},
       ext_modules=mceditlib_ext_modules,
--- a/setup_mcedit2.py
+++ b/setup_mcedit2.py
@@ -57,7 +57,7 @@ setup(name='mcedit2',
       author_email='[email protected]',
       url='https://github.com/mcedit/mcedit2',
       license='MIT License',
-      packages=find_packages('src', include=["mcedit2*",]),
+      packages=find_packages('src/mcedit2'),
       package_dir={'': 'src'},
       ext_modules=mcedit2_ext_modules,
       include_dirs=include_dirs,