Lots of cosmetic changes

src/lib-sieve/sieve-address-parts.c

src/lib-sieve/sieve-ast.h

src/lib-sieve/sieve-binary.c

src/lib-sieve/sieve-code.c

src/lib-sieve/sieve-code.h

src/lib-sieve/sieve-commands-private.h

src/lib-sieve/sieve-commands.c

src/lib-sieve/sieve-common.h

src/lib-sieve/sieve-comparators.c

src/lib-sieve/sieve-error.c

src/lib-sieve/sieve-error.h

src/lib-sieve/sieve-extensions.c

src/lib-sieve/sieve-generator.h

src/lib-sieve/sieve-interpreter.c

src/lib-sieve/sieve-interpreter.h

src/lib-sieve/sieve-lexer.c

src/lib-sieve/sieve-lexer.h

src/lib-sieve/sieve-parser.c

src/lib-sieve/sieve-parser.h

src/lib-sieve/sieve-validator.h