[BUILTIN] Add printf support for format string a, A, and F

This patch adds the format string characters a, A and F to the
supported set of the built-in printf command.  They're already
supported by the underlying printf function.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 3 insertions, 0 deletions

diff --git a/src/bltin/printf.c b/src/bltin/printf.c
index 5f9e81c..e0ef912 100644
--- a/src/bltin/printf.c
+++ b/src/bltin/printf.c
@@ -191,9 +191,12 @@ pc:
 				PF(f, p);
 				break;
 			}
+			case 'a':
+			case 'A':
 			case 'e':
 			case 'E':
 			case 'f':
+			case 'F':
 			case 'g':
 			case 'G': {
 				double p = getdouble();