Clean up compiler warning in ts2phc.c. v2 - reformat commit message Gcc (and presumably other compilers) emits a warning about the declaration of 'c' shadowing a previous local in ts2phc.c. This warning is completely benign but makes it more difficult to recognize warnings that might be consequential. This patch renames the variable 'c' to 'clk'. Signed-off-by: Michael Galassi <michael@galassi.us>