minor symfony#12493 Fixed minor typo (pborreli)

This PR was merged into the 2.6 branch.

Discussion
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Fixed minor typo

Commits
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0fbb75c Fixed minor typo

src/Symfony/Component/VarDumper/README.md

@@ -5,7 +5,7 @@ This component provides a mechanism that allows exploring then dumping
 any PHP variable.
 
 It handles scalars, objects and resources properly, taking hard and soft
-references into account. More than being immune to inifinite recursion
+references into account. More than being immune to infinite recursion
 problems, it allows dumping where references link to each other.
 It explores recursive structures using a breadth-first algorithm.