[Bf-python] Mesh/Memory Corrups!

[Campbell Barton]

Hey Ken, sorry to bother you again.
deleting verts corrupts the stack.

I was updating my mesh clean function and mesh.verts.delete() corrupts 
memory somehow.

Heres the BT/.
Program received signal SIGSEGV, Segmentation fault.
0xb7acf83f in mallopt () from /lib/libc.so.6
(gdb) bt
#0  0xb7acf83f in mallopt () from /lib/libc.so.6
#1  0xb7acefce in mallopt () from /lib/libc.so.6
#2  0xb7ace1a1 in malloc () from /lib/libc.so.6
#3  0xb7c2ad02 in ?? () from /usr/local/lib/libGL.so.1
#4  0x00000640 in ?? ()
#5  0xb7723017 in _nv000095gl () from /usr/local/lib/libGLcore.so.1
#6  0x00000640 in ?? ()
#7  0x00000000 in ?? ()
#8  0x00000008 in ?? ()
Previous frame inner to this frame (corrupt stack?)
(gdb)