[C] Reset padding value to 0 when claim fails for many to one ring buffer. Issue #636.
[C] Reset padding value to 0 when claim fails for many to one ring buffer. Issue #636.

EvilMcJerkface/Aeron,mikeb01/Aeron,real-logic/Aeron,galderz/Aeron,mikeb01/Aeron,galderz/Aeron,EvilMcJerkface/Aeron,mikeb01/Aeron,galderz/Aeron,real-logic/Aeron,EvilMcJerkface/Aeron,real-logic/Aeron,mikeb01/Aeron,real-logic/Aeron,galderz/Aeron,EvilMcJerkface/Aeron