libc: Fix some MISRA defects
No functional changes.

Change-Id: I907aa47565af2a6c435a5560041fd2b59e65c25c
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
1 parent dcf95e7 commit d5ccb754af8664af33a1f5924ccbd75aa905587a
@Antonio Nino Diaz Antonio Nino Diaz authored on 23 Aug 2018
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lib/libc/exit.c
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lib/libc/printf.c
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lib/libc/puts.c
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lib/libc/snprintf.c