Header file needed by tools tightly integrated

 Some other programs depend on gsm_data_shared.h and gsm_data_shared.c
 from OpenBSC. This package installs these files to your file system so
 that the other packages can build-depend on this package.
 .
 The header file is installed to /usr/include/osmocom/openbsc, while
 the .c file is installed to /usr/src/osmocom/openbsc.