Static code analysis scan issue fix

Fix the issues found during code static scan

Tested:
build okay.

Change-Id: I3709cfad9ba343073566c33e8186eac89acaa26b
Signed-off-by: Yong Li <yong.b.li@linux.intel.com>
diff --git a/src/sensorcommands.cpp b/src/sensorcommands.cpp
index d84d8b1..bf1f430 100644
--- a/src/sensorcommands.cpp
+++ b/src/sensorcommands.cpp
@@ -364,8 +364,8 @@
     auto &valueVariant = sensorObject->second["Value"];
     double reading = variant_ns::visit(VariantToDoubleVisitor(), valueVariant);
 
-    double max;
-    double min;
+    double max = 0;
+    double min = 0;
     getSensorMaxMin(sensorMap, max, min);
 
     int16_t mValue = 0;
@@ -1263,11 +1263,11 @@
         min = variant_ns::visit(VariantToDoubleVisitor(), minObject->second);
     }
 
-    int16_t mValue;
-    int8_t rExp;
-    int16_t bValue;
-    int8_t bExp;
-    bool bSigned;
+    int16_t mValue = 0;
+    int8_t rExp = 0;
+    int16_t bValue = 0;
+    int8_t bExp = 0;
+    bool bSigned = false;
 
     if (!getSensorAttributes(max, min, mValue, rExp, bValue, bExp, bSigned))
     {