Fix for #314

Author: jantje

it.baeyens.arduino.core/src/it/baeyens/arduino/toolchain/ArduinoLanguageProvider.java

@@ -188,11 +188,12 @@ protected String getCompilerCommand(String languageId) {
 	    ManagedBuilderCorePlugin.error("Unable to find compiler command for language " + languageId + " in toolchain=" + getToolchainId()); //$NON-NLS-1$
 	}
 
-	return compilerCommand.replaceAll("\"\"", "").replaceAll("  ", " "); // remove
-									     // ""
+	String ret= compilerCommand.replaceAll("[^\\\\]\"\"", "").replaceAll("  ", " "); // remove
+									     // "" except \""
 									     // and
 									     // double
 									     // blanks
+	return ret;
     }
 
 }