[PATCH] Grow.c: fix uninitialized variables compilation-time error

[Lukasz Dorau <lukasz.dorau@intel.com>]

It fixes the following uninitialized variables compilation-time error:
WARN  - Grow.c: In function ‘reshape_array’:
WARN  - Grow.c:2413:21: error: ‘min_space_after’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
WARN  - Grow.c:2376:39: note: ‘min_space_after’ was declared here
WARN  - Grow.c:2414:22: error: ‘min_space_before’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
WARN  - Grow.c:2376:21: note: ‘min_space_before’ was declared here
WARN  - cc1: all warnings being treated as errors
WARN  - make: *** [Grow.o] Error 1
It occurs during compilation of mdadm on Fedora 17.

Signed-off-by: Lukasz Dorau <lukasz.dorau@intel.com>
---
 Grow.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/Grow.c b/Grow.c
index 4de8029..a526a65 100644
--- a/Grow.c
+++ b/Grow.c
@@ -2373,7 +2373,7 @@ release:
 static void get_space_after(int fd, struct supertype *st, struct mdinfo *info)
 {
 	struct mdinfo *sra, *sd;
-	unsigned long long min_space_before, min_space_after;
+	unsigned long long min_space_before = 0, min_space_after = 0;
 	int first = 1;
 
 	sra = sysfs_read(fd, 0, GET_DEVS);

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