Fix str conversion

Author: davidjumani

plugins/hypervisors/kvm/src/main/java/org/apache/cloudstack/utils/linux/KVMHostInfo.java

@@ -92,7 +92,7 @@ protected static long getCpuSpeed(final NodeInfo nodeInfo) {
                     cpuInfoMaxFreqFileName), e);
                 String command = "lscpu | grep -i 'Model name' | head -n 1 | egrep -o '[[:digit:]].[[:digit:]]+GHz' | sed 's/GHz//g'";
                 String result = Script.runSimpleBashScript(command);
-                return Long.parseLong(result) * 1000;
+                return (long) (Float.parseFloat(result) * 1000);
             } catch (NullPointerException | NumberFormatException ex) {
                 LOGGER.error(String.format("Unable to retrieve the CPU speed from file [%s] and lscpu. Using the value [%s] provided by the Libvirt.", cpuInfoMaxFreqFileName, nodeInfo.mhz), ex);
                 return nodeInfo.mhz;