Fix windows build: obj_int_extract to extract numbrs from .rdata
Fix windows build: obj_int_extract to extract numbrs from .rdata

The change in assembly offset files to define values as const int broke
Windows build, because the variables are stored in .rdata section instead
of .data section.

This CL changes the integer peeking from .data to .rdata.

Change-Id: I87e465ddcc78d39ec29f3720ea7df0ab807d5512

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