Remove executable bit from non-executable files

README

buf.c

chvalid.def

result/c14n/1-1-without-comments/example-1

result/c14n/1-1-without-comments/example-2

result/c14n/1-1-without-comments/example-3

result/c14n/1-1-without-comments/example-4

result/c14n/1-1-without-comments/example-5

result/c14n/1-1-without-comments/example-6

result/c14n/1-1-without-comments/example-7

result/c14n/1-1-without-comments/example-8

test/SVG/4rects.xml

test/SVG/a-valid.xml

test/SVG/a-wf.xml

test/SVG/bike.xml

test/SVG/circle.xml

test/SVG/defs.xml

test/SVG/desc.xml

test/SVG/ellipse.xml

test/SVG/flower2.xml