package/poppler: needs wchar

Fixes:
 - http://autobuild.buildroot.org/results/2c8695b75c3241359e739d88726430cbfe47a5bd

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>

package/poppler/Config.in

@@ -1,5 +1,6 @@
 config BR2_PACKAGE_POPPLER
 	bool "poppler"
+	depends on BR2_USE_WCHAR
 	depends on BR2_INSTALL_LIBSTDCPP
 	depends on BR2_TOOLCHAIN_HAS_THREADS
 	depends on !BR2_STATIC_LIBS
@@ -29,6 +30,7 @@ config BR2_PACKAGE_POPPLER_UTILS
 
 endif
 
-comment "poppler needs a toolchain w/ C++, threads, dynamic library, gcc >= 5"
-	depends on !BR2_INSTALL_LIBSTDCPP || !BR2_TOOLCHAIN_HAS_THREADS || \
-		BR2_STATIC_LIBS || !BR2_TOOLCHAIN_GCC_AT_LEAST_5
+comment "poppler needs a toolchain w/ wchar, C++, threads, dynamic library, gcc >= 5"
+	depends on !BR2_USE_WCHAR || !BR2_INSTALL_LIBSTDCPP || \
+		!BR2_TOOLCHAIN_HAS_THREADS || BR2_STATIC_LIBS || \
+		!BR2_TOOLCHAIN_GCC_AT_LEAST_5