sets the strict option back

Author: rolandoam

Makefile

@@ -30,7 +30,7 @@ DOC_OUTPUT = doc
 
 JS_SOURCES = $(foreach i,${SOURCES},-i $i)
 EXTERNS_TMP = $(foreach i,${EXTERNS},--externs ${CLOSURE_HOME}/$i)
-COMPILER_ARGUMENTS = ${EXTERNS_TMP} --language_in=ECMASCRIPT5 --warning_level=VERBOSE --jscomp_warning=checkTypes --summary_detail_level=3
+COMPILER_ARGUMENTS = ${EXTERNS_TMP} --language_in=ECMASCRIPT5_STRICT --warning_level=VERBOSE --jscomp_warning=checkTypes --summary_detail_level=3
 
 compile: flags
 	${CLOSURE_LIBRARY}/closure/bin/build/closurebuilder.py --root ${CLOSURE_LIBRARY}  \