[hackers] [scc] [cc1] Fix pragma line emitted by -E || Roberto E. Vargas Caballero

[git]

commit 041ec28fa0e9a9a2b35a76fd383e6adc20e6bbc3
Author:     Roberto E. Vargas Caballero <k...@shike2.com>
AuthorDate: Thu Mar 9 09:25:43 2017 +0100
Commit:     Roberto E. Vargas Caballero <k...@shike2.com>
CommitDate: Thu Mar 9 09:25:43 2017 +0100

    [cc1] Fix pragma line emitted by -E
    
    The correct format of a pragma line is
    
    but cc1 was printing the file without quotes.

diff --git a/cc1/cpp.c b/cc1/cpp.c
index 05f28e1..78276bb 100644
--- a/cc1/cpp.c
+++ b/cc1/cpp.c
@@ -790,7 +790,7 @@ ppragmaln(void)
        putchar('\n');
        if (strcmp(file, filenam)) {
                strcpy(file, filenam);
-               s = "#line %u %s\n";
+               s = "#line %u \"%s\"\n";
        } else if (nline+1 != lineno) {
                s = "#line %u\n";
        } else {