Cosmetic changes; replace tabs with spaces.

This commit was SVN r20183.

ompi/mca/btl/base/Makefile.am

@@ -20,11 +20,11 @@ dist_pkgdata_DATA = base/help-mpi-btl-base.txt
 
 headers += \
         base/base.h \
-	base/btl_base_error.h
+        base/btl_base_error.h
 
 libmca_btl_la_SOURCES += \
         base/btl_base_close.c \
         base/btl_base_error.c \
         base/btl_base_open.c \
         base/btl_base_select.c \
-		base/btl_base_mca.c
+        base/btl_base_mca.c