Updated C6308

Changed example to initialize and declare variable sin the same line

Author: MugBergerFries

docs/code-quality/c6308.md

@@ -27,8 +27,7 @@ The following sample code generates this warning. This issue stems from the assi
 
 void f( )
 {
-    char *x;
-    x = (char *) malloc(10);
+    char *x = (char *) malloc(10);
     if (x != NULL)
     {
         x = (char *) realloc(x, 512);
@@ -46,11 +45,10 @@ To resolve the issue, you can create a temporary variable to store the return st
 
 void f()
 {
-    char *x, *tmp;
-    x = (char *) malloc(10);
+    char *x = (char *) malloc(10);
     if (x != NULL)
     {
-        tmp = (char *) realloc(x,512);
+        char *tmp = (char *) realloc(x,512);
         if (tmp != NULL)
         {
             x = tmp;