* src/abg-writer.cc (write_elf_symbol_aliases): Changing function
to keep multiple symbol aliases within one alias attribute
* src/abg-reader.cc (build_elf_symbol_db): Changing function to read
symbol's alias attribute and split if multiple alias exist with comma(,)
asi a delimiter and add all aliases to main symbol
* tests/data/test-read-dwarf/test3.c: Test file to generate multiple aliases
* tests/data/test-read-dwarf/test3.so: Test shared library having multiple
aliases of a symbol
* tests/data/test-read-dwarf/test3.so.abi: XML file containing dwarf
information from test3.so
* tests/test-read-dwarf.cc (in_out_specs): Add the new test above
* tests/Makefile.am: Add tests/data/test-read-dwarf/test3.c,
tests/data/test-read-dwarf/test3.so and tests/data/test-read-dwarf/test3.so.abi
to the distribution
Signed-off-by: Sinny Kumari <skumari@redhat.com>