libqdutils: initialize split char array to 0

String should have null character at the end, otherwise
functions like atio may not work on the string properly.

Change-Id: Ib3eb579a5a96dbd121bf6f65b09fa19ec7e274f3
CRs-Fixed: 546662
diff --git a/libqdutils/mdp_version.cpp b/libqdutils/mdp_version.cpp
index 4a695d3..a444920 100644
--- a/libqdutils/mdp_version.cpp
+++ b/libqdutils/mdp_version.cpp
@@ -114,7 +114,7 @@
         //TODO get this from driver
         mMDPDownscale = 4;
 
-        char split[64];
+        char split[64] = {0};
         FILE* fp = fopen("/sys/class/graphics/fb0/msm_fb_split", "r");
         if(fp){
             //Format "left right" space as delimiter