[gobject-introspection] Quote PATH (in case it contains spaces)

[Colin Walters <walters src gnome org>]

commit be37b8163df31a148b573e8feddf18e605c245be
Author: Руслан Ижбулатов <lrn1986 gmail com>
Date:   Fri Feb 21 11:13:51 2014 +0000

    Quote PATH (in case it contains spaces)
    
    https://bugzilla.gnome.org/show_bug.cgi?id=724876

 common.mk |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/common.mk b/common.mk
index 28b73c7..303622f 100644
--- a/common.mk
+++ b/common.mk
@@ -7,7 +7,7 @@
 #
 
 INTROSPECTION_SCANNER = \
-    env PATH=.libs:$(PATH) \
+    env PATH=".libs:$(PATH)" \
         LPATH=.libs \
         CC="$(CC)" \
         PYTHONPATH=$(top_builddir):$(top_srcdir) \
@@ -24,7 +24,7 @@ INTROSPECTION_SCANNER_ARGS = \
     --add-include-path=$(top_builddir)
 
 INTROSPECTION_COMPILER = \
-    env PATH=.libs:$(PATH) \
+    env PATH=".libs:$(PATH)" \
         $(top_builddir)/g-ir-compiler$(EXEEXT)
 
 INTROSPECTION_COMPILER_ARGS = \
@@ -34,7 +34,7 @@ INTROSPECTION_COMPILER_ARGS = \
     --includedir=$(top_builddir)
 
 INTROSPECTION_DOCTOOL = \
-    env PATH=.libs:$(PATH) \
+    env PATH=".libs:$(PATH)" \
         LPATH=.libs \
         PYTHONPATH=$(top_builddir):$(top_srcdir) \
         UNINSTALLED_INTROSPECTION_SRCDIR=$(top_srcdir) \