php-imagick: bump version to 3.4.3RC1

This version is marked as "stable" on php-imagick's website, plus is
necessary for the upcoming php-7.1 version bump.

Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/php-imagick/php-imagick.hash

@@ -1,2 +1,2 @@
 # Locally calculated
-sha256 a729fbd69e0aa145824d61dc9225bfb636dcd8421874a5667ac3822e609449e1  imagick-3.4.1.tgz
+sha256 50bbc46e78cd6e1ea5d7660be1722258e60b1729483ca14b02da7cf9f5ed3e6a  imagick-3.4.3RC1.tgz

package/php-imagick/php-imagick.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-PHP_IMAGICK_VERSION = 3.4.1
+PHP_IMAGICK_VERSION = 3.4.3RC1
 PHP_IMAGICK_SOURCE = imagick-$(PHP_IMAGICK_VERSION).tgz
 PHP_IMAGICK_SITE = http://pecl.php.net/get
 PHP_IMAGICK_CONF_OPTS = --with-php-config=$(STAGING_DIR)/usr/bin/php-config \