Bug 687342 - Move arm.cpp to ARM ifeq block in xpcom/glue/objs.mk to stop MSVC arm.obj LNK4221 warning; r=khuey

xpcom/glue/objs.mk

@@ -69,7 +69,6 @@ XPCOM_GLUENS_SRC_LCPPSRCS =      \
   BlockingResourceBase.cpp       \
   DeadlockDetector.cpp           \
   SSE.cpp                        \
-  arm.cpp                        \
   unused.cpp                     \
   nsProxyRelease.cpp             \
   nsTextFormatter.cpp            \
@@ -77,4 +76,8 @@ XPCOM_GLUENS_SRC_LCPPSRCS =      \
   FileUtils.cpp                  \
   $(NULL)
 
+ifeq (arm,$(TARGET_CPU))
+XPCOM_GLUENS_SRC_LCPPSRCS += arm.cpp
+endif
+
 XPCOM_GLUENS_SRC_CPPSRCS = $(addprefix $(topsrcdir)/xpcom/glue/,$(XPCOM_GLUENS_SRC_LCPPSRCS))